skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : RIKAGAKU KENKYUSHO
Total Assignments: 61
Assignment: 1
Reel/Frame:003810/0062   Pages: 1
Recorded: 11/12/1980
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ISOMURA, SHOHEI
Exec Dt:
04/23/1979
2
OKITA, KOICHI
Exec Dt:
04/23/1979
3
KAMIJO, EIJI
Exec Dt:
04/23/1979
4
NISHIMOTO, TATSUYA
Exec Dt:
04/23/1979
5
NAKANE RYOHEI
Exec Dt:
04/23/1979
Assignees
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
2
SUMITOMO ELECTRIC INDUSTRIES, LTD.
NO. 15, KITAHAMA 5-CHOME, HIGASHI-KU
OSAKI-SHI, OSAKA, JAPAN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4259209
NONE
06034838
Correspondence name and address
SUGHRUE, ROTHWELL, MION, ZINN
& MACPEAK, 1776 K ST., N. W.
WASHINGTON, D. C. 20006
Assignment: 2
Reel/Frame:003881/0025   Pages: 1
Recorded: 04/22/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YAMADA AKIRA
Exec Dt:
04/15/1981
2
TANNO TAKASHI
Exec Dt:
04/15/1981
3
WEHLE DIETER
Exec Dt:
04/15/1981
4
KANEKO MASAO
Exec Dt:
04/15/1981
Assignee
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4338291
NONE
06256554
Correspondence name and address
BRUMBAUGH, GRAVES, DONOHUE & RAYMOND
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112
Assignment: 3
Reel/Frame:003901/0282   Pages: 1
Recorded: 07/20/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OKADA, MINORU
Exec Dt:
07/13/1981
2
MATSUZAWA, MASAMITSU
Exec Dt:
07/13/1981
3
UEZIMA, OSAMU
Exec Dt:
07/13/1981
Assignees
1
NIHON SHOKUHIN KAKO CO., LTD.
NO. 4-1, 3-CHOME, MARUNOUCHI,
A CORP. OF JAPAN
CHIYODA-KU, TOKYO, JAPAN
2
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI,
A CORP. OF JAPAN
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4384898
NONE
06285262
Correspondence name and address
BUCKNAM & ARCHER
100 GARDEN CITY PLAZA
GARDEN CITY, NY 11530
Assignment: 4
Reel/Frame:003908/0653   Pages: 1
Recorded: 08/13/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NAKAYAMA, HARUHIKO
Exec Dt:
08/05/1981
2
TATSUNO, TAKASHI
Exec Dt:
08/05/1981
Assignee
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4448603
NONE
06292642
Correspondence name and address
BUCKNAM AND ARCHER
100 GARDEN CITY PLAZA
GARDEN CITY, NY 11530
Assignment: 5
Reel/Frame:004505/0137   Pages: 1
Recorded: 01/23/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
IMAHORI, KAZUTOMO
Exec Dt:
09/25/1981
2
NAKAJIMA, HIROSHI
Exec Dt:
09/25/1981
3
NAGATA, KAZUHIKO
Exec Dt:
09/25/1981
Assignees
1
KAZUTOMO IMAHORI
NO. 2-25-23, KAKINOKISAKA, MEGURO-KU
TOKYO, JAPAN
2
UNITIKA LTD.
NO. 50. HIGASHI HONMACHI 1-CHOME, AMAGASAKI-SHI
HYOGO, JAPAN
3
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITOMA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4584272
NONE
06309346
Correspondence name and address
SUGHRUE, ROTHWELL, MION,
ZINN & MACPEAK
1776 K STREET, N. W.
WASHINGTON, DC 20006
Assignment: 6
Reel/Frame:004486/0069   Pages: 1
Recorded: 12/09/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
IMAHORI, KAZUTOMO
Exec Dt:
01/10/1983
2
NAKAJIMA, HIROSHI
Exec Dt:
01/10/1983
3
IWASAKI, TATSUO
Exec Dt:
01/10/1983
4
TOMIOKA, ISAO
Exec Dt:
01/10/1983
5
YAMAMOTO, KEIICHI
Exec Dt:
01/10/1983
Assignees
1
IMAHORI, KAZUTOMO
2-25-23, KAKINOKISAKA, MEGURO-KU
TOKYO, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
3
UNITIKA LTD.
50, HIGASHIHONMACHI 1-CHOME, AMAGASAKI-SHO
HYOGO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4572894
NONE
06461307
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
1776 K STREET, N.W.
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:004893/0920   Pages: 1
Recorded: 06/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
IMAHORI, KAZUTOMO
Exec Dt:
01/10/1983
2
KONDO, HITOSHI
Exec Dt:
01/10/1983
3
NAKAJIMA, HIROSHI
Exec Dt:
01/10/1983
4
IWASAKI, TATSUO
Exec Dt:
01/10/1983
Assignees
1
KAZUTOMO IMAHORI
2-25-23, KAKINOKISAKA, MEGURO-KU
TOKYO, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
3
UNITIKA LTD.
NO 50, HIGASHIHONMACHI, 1-CHOME, AMAGASAKI-SHI
HYOGO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4882276
NONE
06461308
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK AND SEAS
1776 K STREET, N.W.
WASHINGTON, DC 20006
Assignment: 8
Reel/Frame:004180/0982   Pages: 1
Recorded: 08/16/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HORIKOSHI, KOKI
Exec Dt:
08/08/1983
2
SHIBANAI, ICHIRO
Exec Dt:
08/08/1983
3
KATO, TAKASHI
Exec Dt:
08/08/1983
Assignees
1
RIKAGAKU KENKYUSHO
2-1 HIROSAWA WAKO SHI
SAITAMA KEN, JAPAN
2
ICHIRO SHIBANAI
6-10-6-312 AKASAKA MINATO KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4443323
NONE
06523688
Correspondence name and address
BUCKNAM AND ARCHER
100 GARDEN CITY PLAZA
GARDEN CITY, NY 11530
Assignment: 9
Reel/Frame:004267/0078   Pages: 2
Recorded: 01/17/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GOTO, EIICHI
Exec Dt:
01/06/1984
2
OHTA, HIROSHI
Exec Dt:
01/06/1984
Assignee
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
A CORP. OF JAPAN
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4567383
NONE
06571464
Correspondence name and address
BRUMBAUGH, GRAVES, DONOHUE & RAYMOND
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112
Assignment: 10
Reel/Frame:004225/0691   Pages: 1
Recorded: 01/31/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
GOTO, EIICHI
Exec Dt:
01/23/1984
Assignee
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI,
A CORP OF JAPAN
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4623804
NONE
06575523
Correspondence name and address
BRUMBAUGH, GRAVES, DONOHUE & RAYMOND
30 ROCKEFELLER PLAZA
NEW YORK, NY 10012
Assignment: 11
Reel/Frame:004726/0531   Pages: 2
Recorded: 06/26/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OGAWA, TOMOYA
Exec Dt:
12/07/1984
2
SUGIMOTO, MAMORU
Exec Dt:
12/07/1984
3
SHITORI, YOSHIYASU
Exec Dt:
12/07/1984
4
ITO, MASAYOSHI
Exec Dt:
12/07/1984
Assignees
1
KANTO ISHI PHARMACEUTICAL CO., LTD.
NO. 1-1, NISHI SHINJUKU 2-CHOME, SHINJUKU-KU
TOKYO, JAPAN
2
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4694076
NONE
06680498
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND
& MAIER, CRYSTAL SQUARE FIVE,
STE. 400, 1755 SOUTH JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 12
Reel/Frame:004412/0417   Pages: 1
Recorded: 05/30/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ENDO, ISAO
Exec Dt:
05/15/1985
2
NAGAMUNE, TERUYUKI
Exec Dt:
05/15/1985
3
INOUE, ICHIRO
Exec Dt:
05/15/1985
4
INOUE, KOZO
Exec Dt:
05/15/1985
5
NOHIRA, TADASHI
Exec Dt:
05/15/1985
6
KAGAMI, IKUZO
Exec Dt:
05/15/1985
7
IWAKURA, TATSUYA
Exec Dt:
05/15/1985
Assignees
1
KOMATSUGAWA CHEMICAL ENGINEERING CO., LTD.
10-5, IWAMOTO-CHO 1-CHOME,
CHIYODA-KU, TOKYO, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO CITY,
SAITAMA PREF.,, JAPAN
3
FUJI FACOM CORPORATION
1, FUJI-MACHI,
HINO CITY, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4725148
NONE
06739319
Correspondence name and address
SPENCER AND FRANK
1111 19TH STREET, N.W.
WASHINGTON, DC 20036
Assignment: 13
Reel/Frame:004583/0226   Pages: 2
Recorded: 07/31/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OGAWA, TOMOYA
Exec Dt:
06/20/1985
2
SUGIMOTO, MAMORU
Exec Dt:
06/20/1985
3
SHITORI, YOSHIYASU
Exec Dt:
06/20/1985
4
ITO, MASAYOSHI
Exec Dt:
06/20/1985
Assignees
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
2
KANTO ISHI PHARMACEUTICAL CO., LTD.
NO. 1-1, NISHI SHINJUKU 2-CHOME, SHINJUKU-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4968786
NONE
06749545
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
CRYSTAL SQUARE 5, SUITE 400,
1755 SOUTH JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 14
Reel/Frame:005014/0552   Pages: 2
Recorded: 02/03/1989
Conveyance: ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST
Assignors
1
ARAI, SHIGEYOSHI
Exec Dt:
01/24/1986
2
KAMIOKA, MASATSUGU
Exec Dt:
01/24/1986
3
ISHIKAWA, YO-ICHI
Exec Dt:
01/24/1986
4
ISOMURA, SHOHEI
Exec Dt:
01/24/1986
5
SUGITA, KYOKO
Exec Dt:
01/24/1986
6
OSHIMA, TAKAO
Exec Dt:
01/24/1986
7
HONGUU, TATSUHIKO
Exec Dt:
01/24/1986
Assignees
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
2
SHIN-ETSU CHEMICAL CO., LTD.
NO. 6-1, OHTEMACHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4824537
NONE
06824222
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND & MAIER
CRYSTAL SQUARE FIVE-SUITE 400,
1755 SOUTH JEFF. DAVIS HWY.,
ARLINGTON, VA 22202
Assignment: 15
Reel/Frame:006331/0346   Pages: 3
Recorded: 12/07/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HORIKOSHI, KOKI
Exec Dt:
01/31/1986
Assignee
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI,
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5190874
NONE
07401507
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
C. IRVIN MCCLELLAND
1755 JEFFERSON DAVIS HIGHWAY 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 16
Reel/Frame:005491/0732   Pages: 4
Recorded: 10/30/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OGAWA, TOMOYA
Exec Dt:
04/15/1986
2
SUGIMOTO, MAMORU
Exec Dt:
04/15/1986
3
SHITORI, YOSHIYASU
Exec Dt:
04/15/1986
4
HORISAKI, TOSHIO
Exec Dt:
04/15/1986
5
SHINUCHI, TADAMI
Exec Dt:
04/15/1986
Assignees
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
2
KANTO ISHI PHARMACEUTICAL CO., LTD.
NO. 1-1, NISHISHINJYUKU, 2-CHOME, SHINJYUKU-KU
TOKYO, JAPAN
3
TEIKOKU CHEMICAL INDUSTRY CO., LTD.
NO. 1-18, KITAHORIE 1-CHOME, NISHI-KU
OSAKA-SHI, OSAKA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4990604
NONE
06832574
Correspondence name and address
C. IRVIN MCCLELLAND
OBLON, SPIVAK, MCCLELLAND, ET. AL.
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VA. 22202
Assignment: 17
Reel/Frame:004562/0518   Pages: 2
Recorded: 05/28/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HARA, TAMIO
Exec Dt:
05/21/1986
2
HAMAGAKI, MANABU
Exec Dt:
05/21/1986
3
AOYAGI, YOSHINOBU
Exec Dt:
05/21/1986
4
NAMBA, SUSUMU
Exec Dt:
05/21/1986
Assignee
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI,
A CORP. OF JAPAN
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4749910
NONE
06868350
Correspondence name and address
BRUMBAUGH, GRAVES, DONOHUE AND RAYMOND
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112
Assignment: 18
Reel/Frame:004849/0686   Pages: 3
Recorded: 03/25/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OGAWA, TOMOYA
Exec Dt:
05/27/1986
2
SUGIMOTO, MAMORU
Exec Dt:
05/27/1986
3
NUMATA, MASAAKI
Exec Dt:
05/27/1986
4
SHITORI, YOSHIYASU
Exec Dt:
05/27/1986
5
ITO, MASAYOSHI
Exec Dt:
05/27/1986
Assignee
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
A CORP.
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4751290
NONE
06871289
Correspondence name and address
OBLON, FISHER, SPIVAK,
MCCLELLAND & MAIER, P.C.
STE. 400, CRYSTAL SQ. 5
1755 SO. JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 19
Reel/Frame:004687/0078   Pages: 1
Recorded: 04/02/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OHIRA, SHIGEO
Exec Dt:
06/05/1986
2
IWAKI, MASAYA
Exec Dt:
06/05/1986
Assignees
1
NIPPON LIGHT METAL COMPANY LIMITED
13-12, 3-CHOME, MITA, MINATO-KU
TOKYO, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO CITY
SAITAMA PREFECTURE, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4698233
NONE
06872278
Correspondence name and address
WILLIAM J. DANIEL
2009 NORTH 14TH STREET
ARLINGTON, VA 22201
Assignment: 20
Reel/Frame:004745/0128   Pages: 2
Recorded: 08/13/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SAWADA, TADASHI
Exec Dt:
08/06/1986
2
IKEGAMI, TATSUJI
Exec Dt:
08/04/1986
3
IGUCHI, MASASHI
Exec Dt:
08/01/1986
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA WAKO-SHI
SAITAMA-KEN, JAPAN
2
OSAKA VACUUM, LTD.
NO. 6, KITAHAMA 3-CHOME HIGASHI-KU
OSAKA-HU, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4708586
NONE
06896470
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND
& MAIER, CRYSTAL SQ. 5, STE. 400
1755 SO. JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 21
Reel/Frame:004840/0431   Pages: 2
Recorded: 03/30/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HARA, TAMIO
Exec Dt:
05/21/1987
2
HAMAGAKI, MANABU
Exec Dt:
05/21/1987
3
AOYAGI, YOSHINOBU
Exec Dt:
05/21/1987
4
NAMBA, SUSUMU
Exec Dt:
05/27/1987
5
ISHII, NOBUO
Exec Dt:
05/18/1987
6
TAKAYAMA, NAOKI
Exec Dt:
05/14/1987
7
KAWAMURA, KOHEI
Exec Dt:
05/14/1987
Assignees
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
2
TOKYO ELECTRON LIMITED, A CORP. OF JAPAN
1-26-2, NISHI-SHINJUKU, SHINJUKU-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4749912
NONE
07054496
Correspondence name and address
OBLON, FISHER, SPIVAK,
MC CLELLAND AND MAIER
CRYSTAL SQUARE 5 - STE 400
1755 SOUTH JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 22
Reel/Frame:004753/0756   Pages: 1
Recorded: 06/29/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SHIGEHARA, KIYOTAKA
Exec Dt:
06/16/1987
2
YAMADA, AKIRA
Exec Dt:
06/16/1987
3
HARA, MASAHIKO
Exec Dt:
06/16/1987
4
NAKAHAMA, HIDENARI
Exec Dt:
06/16/1987
5
MIYATA, SEIZO
Exec Dt:
06/16/1987
6
MURATA, YOSHISHIGE
Exec Dt:
06/16/1987
Assignees
1
NIPPON OIL AND FATS CO., LTD.
10-1, YURAKU-CHO 1-CHOME,
TOKYO, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI,
SAITAMA-KEN,, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4907038
NONE
07047887
Correspondence name and address
DARBY & DARBY
405 LEXINGTON AVENUE
NEW YORK, NY 10174
Assignment: 23
Reel/Frame:006159/0702   Pages: 3
Recorded: 06/16/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KUZUHARA, HIROYOSHI
Exec Dt:
11/29/1988
2
KAWANA, MASAJIRO
Exec Dt:
11/29/1988
3
YAMASAKI, NORITSUGU
Exec Dt:
11/29/1988
4
NISHIKAWA, MASAHIRO
Exec Dt:
11/29/1988
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5144018
NONE
07295205
Correspondence name and address
C. IRVIN MCCLELLAND
OBLON, SPIVAK, MCCLELLAND, MAIER
& NEUSTADT, P.C.
1755 JEFFERSON DAVIS HIGHWAY - 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 24
Reel/Frame:004999/0216   Pages: 2
Recorded: 12/22/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SHIKITA, SHOJI
Exec Dt:
12/13/1988
2
YOSHIOKA, HIROSUKE
Exec Dt:
12/19/1988
3
OBATA, TOKIO
Exec Dt:
12/13/1988
4
FUJII, KATSUTOSHI
Exec Dt:
12/13/1988
5
YOSHIYA, HARUO
Exec Dt:
12/13/1988
6
TSUTSUMIUCHI, KIYOSHI
Exec Dt:
12/13/1988
Assignees
1
UBE INDUSTRIES, LTD.
12-32, NISHIHONMACHI 1-CHOME
UBE-SHI, YAMAGUCHI-KEN, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA
WAKO-SHI, SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4931455
NONE
07289626
Correspondence name and address
FRISHAUF, HOLTZ, GOODMAN & WOODWARD
261 MADISON AVENUE
NEW YORK, NY 10016
Assignment: 25
Reel/Frame:005971/0917   Pages: 3
Recorded: 01/13/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KANEKO, MASAO
Exec Dt:
12/20/1988
2
NAKAMURA, HIDEKI
Exec Dt:
12/20/1988
Assignees
1
TERUMO KABUSHIKI KAISHA
44-1, HATAGAYA 2-CHOME, SHIBUYA-KU TOKYO, 151 JAPAN
STATELESS
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI SAITAMA-KEN, 351-01 JAPAN
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5128102
NONE
07295596
Correspondence name and address
OBLON, FISHER, SPIVAK, MC CLELLAND &
MAIER
CRYSTAL SQUARE FIVE, STE. 400
1755 SOUTH JEFF DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 26
Reel/Frame:005959/0850   Pages: 3
Recorded: 01/06/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HIRIKOSHI, KOKI
Exec Dt:
02/20/1989
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5102800
NONE
07642430
Correspondence name and address
NORMAN F. OBLON
OBLON, SPIVAK, MC CLELLAND,
MAIER AND NEUSTADT
FOURTH FLOOR, 1755 JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 27
Reel/Frame:005144/0704   Pages: 5
Recorded: 09/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOBAYASHI, MASANORI
Exec Dt:
09/22/1989
2
SUGIMOTO, MAMORU
Exec Dt:
09/22/1989
3
TOMITA, KENKICHI
Exec Dt:
09/22/1989
4
ITO, YUKISHIGE
Exec Dt:
09/22/1989
5
OGAWA, TOMOYA
Exec Dt:
09/22/1989
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
2
MECT CORPORATION
2-1-1, NISHI-SHINJYUKU, SHINJYUKU-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4992533
NONE
07413441
Correspondence name and address
SEED AND BERRY
6300 COLUMBIA CENTER
SEATTLE, WA 98104-7092
Assignment: 28
Reel/Frame:006545/0674   Pages: 4
Recorded: 05/17/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FURUKAWA, TAKEO
Exec Dt:
10/31/1989
2
INABA, YUKIO
Exec Dt:
10/31/1989
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
2
KYOWA HAKKO KOGYO CO., LTD.
6-1, OHTEMACHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5238636
NONE
07769169
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C.
C. IRVIN MCCLELLAND
1755 JEFFERSON DAVIS HIGHWAY, 4TH FL.
ARLINGTON, VA 22202
Assignment: 29
Reel/Frame:005279/0510   Pages: 1
Recorded: 04/16/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YAMAGUCHI, ICHIROU
Exec Dt:
03/12/1990
2
SHIMADA, TADAKATSU
Exec Dt:
03/12/1990
3
KOYA, KAZUO
Exec Dt:
03/12/1990
4
SUZUKI, TOSHIYUKI
Exec Dt:
03/12/1990
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA WAKO-SHI
SAITAMA 351-01, JAPAN
2
SHIN-ETSU CHEMICAL CO., LTD.
6-1, OTEMACHI 2-CHOME, CHIYODA-KU
TOKYO 100, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5078488
NONE
07509909
Correspondence name and address
JULES E. GOLDBERG
MCAULAY FISHER NISSEN & GOLDBERG
261 MADISON AVENUE
NEW YORK, NY 10016
Assignment: 30
Reel/Frame:005466/0202   Pages: 3
Recorded: 09/24/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SUGIMOTO, AKIKO
Exec Dt:
07/17/1990
2
SEGAWA, YUSABURO
Exec Dt:
07/17/1990
3
KIM, PIL H.
Exec Dt:
07/23/1990
4
NANBA, SUSUMU
Exec Dt:
08/03/1990
Assignees
1
MITSUI MINING & SMELTING CO., LTD.
1-1, 2-CHOME, NIHOMBASHI-MUROMACHI, CHUO-KU
TOKYO, JAPAN
2
RIKAGAKU KENKYUSHO
2-1 HIROSAWA WAKO-SHI
SAITAMA 351-01, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5131000
NONE
07559644
Correspondence name and address
BUCKNAM & ARCHER
600 OLD COUNTRY ROAD
GARDEN CITY, NY 11530
Assignment: 31
Reel/Frame:005503/0941   Pages: 2
Recorded: 11/07/1990
Conveyance: ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST
Assignors
1
OHTA, HIROSHI
Exec Dt:
09/11/1990
2
AONO, MASAKAZU
Exec Dt:
09/07/1990
3
KATO, KAZUHIKO
Exec Dt:
09/11/1990
4
HOSHINO, KAZUTOMO
Exec Dt:
09/11/1990
Assignees
1
MITSUI KINZOKU KOGYO KABUSHIKI KAISHA
1-1, NIHONBASHI-MUROMACHI 2-CHOME, CHUO-KU
TOKYO-TO, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5187327
NONE
07588337
Correspondence name and address
STEVENS, DAVIS, MILLER & MOSHER
515 NORTH WASHINGTON STREET
P.O. BOX 1427
ALEXANDRIA, VA 22313
Assignment: 32
Reel/Frame:005503/0943   Pages: 2
Recorded: 11/07/1990
Conveyance: ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST
Assignors
1
TAKAHARA, HIDEFUSA
Exec Dt:
09/11/1990
2
NAKAYAMA, TOMONOBU
Exec Dt:
09/11/1990
3
SUDOH, EIICHI
Exec Dt:
09/11/1990
Assignees
1
MITSUI KINZOKU KOGYO KABUSHIKI KAISHA
1-1, NIHONBASHI-MUROMACHI 2-CHOME, CHUO-KU
TOKYO-TO, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5187327
NONE
07588337
Correspondence name and address
STEVENS, DAVIS, MILLER & MOSHER
515 NORTH WASHINGTON STREET
P.O. BOX 1427
ALEXANDRIA, VA 22313
Assignment: 33
Reel/Frame:006036/0222   Pages: 4
Recorded: 03/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KANEKO, MASAO
Exec Dt:
09/19/1990
2
ASAKURA, TETSUO
Exec Dt:
09/19/1990
3
NAKAMURA, HIDEKI
Exec Dt:
09/19/1990
4
SHIMOMURA, TAKESHI
Exec Dt:
09/19/1990
5
SUGISE, HIROSHI
Exec Dt:
09/19/1990
Assignees
1
TERUMO KABUSHIKI KAISHA
44-1, HATAGAYA 2-CHOME, SHIBUYA-KU
TOKYO 151, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, 351-01, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5118405
NONE
07582176
Correspondence name and address
OBLON, SPIVAK, MC CLELLAND, MAIER
AND NEUSTADT
1755 JEFFERSON DAVIS HWY, 4TH FL.
ARLINGTON, VA 22202
Assignment: 34
Reel/Frame:005455/0547   Pages: 4
Recorded: 09/24/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
IDESAWA, MASANORI
Exec Dt:
09/21/1990
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI, A CORP OF JAPAN
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5138146
NONE
07587009
Correspondence name and address
BRUMBAUGH, GRAVES, DONOHUE & RAYMOND
30 ROCKEFLLER PLAZA
NEW YORK, NY 10112
Assignment: 35
Reel/Frame:005740/0737   Pages: 3
Recorded: 06/13/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OONO, TADAO
Exec Dt:
06/10/1991
2
SAIJO, KAORU
Exec Dt:
06/10/1991
3
KURASHIMA, JUNKO
Exec Dt:
06/10/1991
Assignee
1
RIKAGAKU KENKYUSHO
2-1 HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5254462
NONE
07714639
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND,
MAIER & NEUSTADT
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VA 22202
Assignment: 36
Reel/Frame:006435/0643   Pages: 3
Recorded: 02/10/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HOMMA, YASUO
Exec Dt:
02/21/1992
2
FUJIMOTO, YASUO
Exec Dt:
02/21/1992
Assignee
1
RIKAGAKU KENKYUSHO
2-1 HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5248694
NONE
07841502
Correspondence name and address
J. DEREK MASON, PH.D.
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C.
4TH FLR., 1755 JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 37
Reel/Frame:006223/0620   Pages: 3
Recorded: 08/20/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TAMBA, MORITAKE
Exec Dt:
03/16/1992
2
YAMADA, KATUSHIGE
Exec Dt:
03/16/1992
3
KAWAMURA, KAZUHIKO
Exec Dt:
03/16/1992
Assignees
1
RIKAGAKU KENKYUSHO
2-1 HIROSAWA WAKO-SHI
SAITAMA, JAPAN
2
CHUBU ELECTRIC POWER COMPANY, INCORPORATED
1, TOSHIN-CHO, HIGASHI-KU, NAGOYA-SHI
AICHI, JAPAN
3
TDK CORPORATION
13-1, NIHONBASHI 1-CHOME, CHUO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5168197
NONE
07858865
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND,
MAIER & NEUSTADT, P.C.
MARVIN J. SPIVAK
1755 JEFFERSON DAVIS HWY., 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 38
Reel/Frame:007985/0911   Pages: 3
Recorded: 06/10/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUSAKABE, MORIAKI
Exec Dt:
09/10/1992
2
SAKAKURA, TERUYO
Exec Dt:
09/10/1992
Assignee
1
RIKAGAKU KENKYUSHO
NO. 2-1, HIROSAWA
WAKO-SHI, SAITAMA-KEN,, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5552287
NONE
08261301
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER &
NEUSTADT, P.C.
ROBERT F. GNUSE
1755 JEFFERSON DAVIS HWY., 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 39
Reel/Frame:006273/0058   Pages: 4
Recorded: 10/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OHNO, TADAO
Exec Dt:
09/24/1992
2
SAIJO, KAORU
Exec Dt:
09/24/1992
3
KURASHIA, JUNKO
Exec Dt:
09/24/1992
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5254462
NONE
07714639
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND
MAIER & NEUSTADT, P.C.
F.D. VASTINE
FOURTH FLR., 1755 JEFFERSON DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 40
Reel/Frame:006285/0233   Pages: 3
Recorded: 10/21/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RESEARCH DEVELOPMENT CORPORATION OF JAPAN
Exec Dt:
10/01/1992
2
HORIKOSHI, KOUKI
Exec Dt:
10/01/1992
Assignees
1
RESEARCH DEVELOPMENT CORPORATION OF JAPAN
5-2, NAGATACHO 2-CHOME JAPAN
CHIYODA-KU, TOKYO 100, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA
WAKO-SHI, SAITAMA 351-01, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5362645
NONE
07799597
Correspondence name and address
PENNIE & EDMONDS
S. LESLIE MISROCK
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 10036-2711
Assignment: 41
Reel/Frame:006634/0852   Pages: 2
Recorded: 06/24/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DATE, MUNEHIRO
Exec Dt:
06/14/1993
2
INABA, YUKIO
Exec Dt:
06/14/1993
Assignee
1
RIKAGAKU KENKYUSHO
2-1 HIROSAWA WAKO-SHI, SAITAMA-KEN JAPAN
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5319958
NONE
08051814
Correspondence name and address
G. LLOYD KNIGHT
CUSHMAN, DARBY & CUSHMAN
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR
WASHINGTON, DC 20005-3918
Assignment: 42
Reel/Frame:007581/0702   Pages: 3
Recorded: 08/11/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OGAWA, TOMOYA
Exec Dt:
08/17/1993
2
NUNOMURA, SHIGEKI
Exec Dt:
08/17/1993
3
SUGIMOTO, MAMORU
Exec Dt:
08/17/1993
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, 351-01, JAPAN
2
MECT CORPORATION
1-1, NISHISHINJUKU 2-CHOME, SHINJUKU-KU
TOKYO, 163, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5470962
NONE
08108672
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER
& NEUSTADT, P.C. - MARVIN J. SPIVAK
1755 JEFFERSON DAVIS HIGHWAY
FOURTH FLOOR
ARLINGTON, VIRGINIA 22202
Assignment: 43
Reel/Frame:006772/0837   Pages: 2
Recorded: 11/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUZUKI, YOSHIAKI
Exec Dt:
11/12/1993
2
LEE, JAE S.
Exec Dt:
11/12/1993
3
IWAKI, MASAYA
Exec Dt:
11/12/1993
4
KUSAKABE, MASAHIRO
Exec Dt:
11/12/1993
5
KAIBARA, MAKOTO
Exec Dt:
11/12/1993
6
SASABE, HIROYUKI
Exec Dt:
11/12/1993
Assignees
1
SONY CORPORATION
7-35, KITASHINAGAWA 6-CHOME, SHINAGAWA-KU
TOKYO 141, JAPAN
2
RIKAGAKU KENKYUSHO
2-1, HIROSAWA WAKO-SHI
SAITAMA 351-01, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5308704
NONE
07933358
Correspondence name and address
PHILIP M. SHAW, JR., ESQ.
LIMBACH & LIMBACH
2001 FERRY BUILDING
SAN FRANCISCO, CA 94111
Assignment: 44
Reel/Frame:007128/0850   Pages: 2
Recorded: 08/23/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OHMORI, HITOSHI
Exec Dt:
06/30/1994
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN 351-01
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5547414
NONE
08294335
Correspondence name and address
GLENN J. PERRY
CUSHMAN, DARBY & CUSHMAN
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR
WASHINGTON, D.C. 20005-3918
Assignment: 45
Reel/Frame:007127/0540   Pages: 3
Recorded: 07/26/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IDESAWA, MASANORI
Exec Dt:
07/05/1994
2
NISHI, KATSUO
Exec Dt:
07/05/1994
3
KATO, HIROSHI
Exec Dt:
07/05/1994
4
SHIMODA, SUSUMU
Exec Dt:
07/05/1994
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN 351-01
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5611162
NONE
08232158
Correspondence name and address
HENDERSON & STURM
MARTIN G. MULLEN
1747 PENNSYLVANIA AVENUE, N.W.
SUITE 701
WASHINGTON, DC 20006
Assignment: 46
Reel/Frame:007963/0855   Pages: 5
Recorded: 01/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ASAMA, HAJIME
Exec Dt:
12/06/1995
2
KAETSU, HAYATO
Exec Dt:
12/06/1995
3
KOTOSAKA, SHIN-YA
Exec Dt:
12/06/1995
4
ENDO, ISAO
Exec Dt:
12/04/1995
5
MIYAO, SAKAE
Exec Dt:
12/06/1995
6
NAKAMURA, ATSUSU
Exec Dt:
12/06/1995
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
2
SIGMA SYSTEM CO., LTD.
502, MYOJINTYO 4-7-15, HATIOJI-SHI
CITY RESIDENCE
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5929778
NONE
08555592
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOE M. MUNCY
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 47
Reel/Frame:008622/0970   Pages: 8
Recorded: 07/29/1997
Conveyance: CORRECTIVE ASSIGNMENT TO ASSIGNEE'S NAME AND EXECUTION DATE, PREVIOUSLY RECORDED AT REEL 8505, FRAME 0690.
Assignors
1
ASAMA, HAJIME
Exec Dt:
12/06/1995
2
KAETSU, HAYATO
Exec Dt:
12/06/1995
3
KOTOSAKA, SHIN-YA
Exec Dt:
12/06/1995
4
ENDO, ISAO
Exec Dt:
12/04/1995
5
MIYAO, SAKAE
Exec Dt:
12/06/1995
6
NAKAMURA, ATSUSI
Exec Dt:
12/06/1995
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
2
SIGMA SYSTEM CO., LTD.
MYOJINTYO 4-7-15
CITY-RESIDENCE 502
HATIOJI-SHI, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5929778
NONE
08555592
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
SUSAN S. MORSE
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 48
Reel/Frame:007887/0720   Pages: 5
Recorded: 01/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WADA, SATOSHI
Exec Dt:
12/07/1995
2
TOYODA, KOUICHI
Exec Dt:
12/05/1995
3
TASHIRO, HIDEO
Exec Dt:
12/05/1995
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5734666
NONE
08552515
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOE M. MUNCY
FALLS CHURCH, VA 22040-0747
Assignment: 49
Reel/Frame:007897/0252   Pages: 2
Recorded: 02/01/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KITAMURA, HIDEO
Exec Dt:
01/24/1996
2
TANAKA, TAKASHI
Exec Dt:
01/24/1996
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, 351-01, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5714850
NONE
08595100
Correspondence name and address
GRIFFIN, BUTLER, WHISENHUNT & KRUTOSSY
JOERG-UWE SZIPL
2300 NINTH STREET SOUTH
SUITE PH-1
ARLINGTON, VA 22204
Assignment: 50
Reel/Frame:007903/0283   Pages: 5
Recorded: 03/06/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUMAGAI, HIROSHI
Exec Dt:
02/09/1996
2
TOYODA, KOUICHI
Exec Dt:
02/09/1996
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5945204
NONE
08587506
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOE MCKINNEY MUNCY
P.O. BOX 747
FALLS CHURCH, VIRGINIA 22040-0747
Assignment: 51
Reel/Frame:007948/0466   Pages: 3
Recorded: 04/05/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KITAMURA, HIDEO
Exec Dt:
03/27/1996
2
YAMAMOTOL, YOSHIYUKI
Exec Dt:
03/27/1996
3
TANABE, KEIICHIRO
Exec Dt:
03/27/1996
4
SAKAE, HISAHARU
Exec Dt:
03/27/1996
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, 351-01, JAPAN
2
SUMITOMO ELECTRIC INDUSTRIES LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA, JAPAN
3
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD.
2-1, 2-CHOME, OTEMACHI, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5717214
NONE
08628842
Correspondence name and address
GRIFFIN, BUTLER, WHISENHUNT & KURTOSSY
JOERG-UWE SZIPL
2300 SOUTH NINTH STREET, SUITE PH-1
ARLINGTON, VA 22204
Assignment: 52
Reel/Frame:008182/0254   Pages: 5
Recorded: 10/18/1996
Conveyance: CORRECTED ASSIGNMENT
Assignors
1
KITAMURA, HIDEO
Exec Dt:
03/27/1996
2
YAMAMOTO, YOSHIYUKI
Exec Dt:
03/27/1996
3
TANABE, KEIICHIRO
Exec Dt:
03/27/1996
4
SAKAE, HISAHARU
Exec Dt:
03/27/1996
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN 351-0
2
SUMITOMO ELECTRIC INDUSTRIES LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA, JAPAN
3
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD.
2-1, 2-CHOME, OTEMACHI, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5717214
NONE
08628842
Correspondence name and address
GRIFFIN, BUTLER, WHISENHUNT & KURTOSSY
JOERG-UWE SZIPL
2300 SOUTH NINTH STREET
STE. PH-1
ARLINGTON, VA 22204
Assignment: 53
Reel/Frame:008724/0222   Pages: 5
Recorded: 02/19/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WADA, SATOSHI
Exec Dt:
01/17/1997
2
AKAGAWA, KAZUYUKI
Exec Dt:
01/17/1997
3
TASHIRO, HIDEO
Exec Dt:
01/18/1997
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5835512
NONE
08769989
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOE M. MUNCY
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 54
Reel/Frame:008484/0644   Pages: 3
Recorded: 01/31/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ARIMOTO, YUTAKA
Exec Dt:
01/27/1997
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN 351-01, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5756128
NONE
08776720
Correspondence name and address
SEED AND BERRY LLP
RICHARD G. SHARKEY
6300 COLUMBIA CENTER
701 FIFTH AVENUE
SEATTLE, WA 98104-7092
Assignment: 55
Reel/Frame:008988/0616   Pages: 2
Recorded: 01/27/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ENDO, ISAO
Exec Dt:
05/28/1997
2
NAGAMUNE, TERUYUKI
Exec Dt:
05/16/1997
3
INOUE, KOZO
Exec Dt:
05/20/1997
4
KAWAMURA, KINICHI
Exec Dt:
05/20/1997
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
2
KOMATSUGAWA CHEMICAL ENGINEERING CO., LTD.
10-5, IWAMOTO-CHO 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5888805
NONE
08864398
Correspondence name and address
HENDERSON & STURM
MARTIN G. MULLEN
206 SIXTH AVENUE, SUITE 1213
DES MOINES, IOWA 50309-4076
Assignment: 56
Reel/Frame:008733/0099   Pages: 5
Recorded: 06/30/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WADA, SATOSHI
Exec Dt:
06/02/1997
2
AKAGAWA, KAZUYUKI
Exec Dt:
06/02/1997
3
TASHIRO, HIDEO
Exec Dt:
06/13/1997
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5936981
NONE
08848218
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOE M. MUNCY
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 57
Reel/Frame:008733/0104   Pages: 5
Recorded: 06/30/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AKAGAWA, KAZUYUKI
Exec Dt:
06/02/1997
2
WADA, SATOSHI
Exec Dt:
06/02/1997
3
TASHIRO, HIDEO
Exec Dt:
06/13/1997
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5923685
NONE
08848162
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOE M. MUNCY
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 58
Reel/Frame:008754/0429   Pages: 5
Recorded: 06/30/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AKAGAWA, KAZUYUKI
Exec Dt:
06/02/1997
2
WADA, SATOSHI
Exec Dt:
06/02/1997
3
TASHIRO, HIDEO
Exec Dt:
06/13/1997
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5953154
NONE
08848621
Correspondence name and address
BIRCH, STEWART, KOLASCH, ET AL.
JOE M. MUNCY
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 59
Reel/Frame:009614/0242   Pages: 3
Recorded: 12/03/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MECT CORPORATION
Exec Dt:
10/30/1998
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5470962
NONE
08108672
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL.
MARVIN J. SPIVAK
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 60
Reel/Frame:009614/0245   Pages: 3
Recorded: 12/03/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MECT CORPORATION
Exec Dt:
10/30/1998
Assignee
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4694076
NONE
06680498
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL
MARVIN J. SPIVAK
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 61
Reel/Frame:009893/0937   Pages: 4
Recorded: 04/12/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KENKYUSHO, RIKAGAKU
Exec Dt:
03/18/1999
2
KOMATSUGAWA CHEMICAL ENGINEERING CO., LTD.
Exec Dt:
03/29/1999
3
ENDO, ISAO
Exec Dt:
03/18/1999
Assignees
1
RIKAGAKU KENKYUSHO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
2
KOMATUSUGAWA CHEMICAL ENGINEERING CO.,LTD.
10-5, IWAMOTO-CHO 1-CHOME
CHIYODA-KU, TOKYO, JAPAN
3
ENDO, ISAO
2-1, HIROSAWA, WAKO-SHI
SAITAMA-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5888805
NONE
08864398
Correspondence name and address
HENDERSON & STRUM
CURTIS A. BELL
206 SIXTH AVENUE
SUITE 1213
DES MOINES, IOWA 50309-4076

Search Results as of: 05/08/2024 12:25 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT