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 Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : ISHIKAWA, RYUICHI
Total Assignments: 14
Assignment: 1
Reel/Frame:005522/0001   Pages: 4
Recorded: 06/03/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OHSHITA, TAKAHIRO
Exec Dt:
04/22/1990
2
ISHIKAWA, RYUICHI
Exec Dt:
04/22/1990
3
HIROSE, TETSUHISA
Exec Dt:
04/22/1990
4
ASAI, KIYOSHI
Exec Dt:
04/22/1990
Assignees
1
EBARA CORPORATION,
11-1, HANEDA ASAHI-CHO, OTA-KU,
TOKYO, JAPAN
2
IBIDEN CO., LTD.,
1, KANDACHO 2-CHOME, OGAKI-SHI,
GIFU-KEN, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5107757
NONE
07251648
Correspondence name and address
WENDEROTH, LIND & PONACK
SOUTHERN BLDG., STE. 700
805 15TH ST., N.W.
WASHINGTON, DC 20005
Assignment: 2
Reel/Frame:006418/0780   Pages: 3
Recorded: 01/28/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YANO, HITOSHI
Exec Dt:
01/07/1993
2
YAMAGUCHI, YOSHINARI
Exec Dt:
01/07/1993
3
ARIYOSHI, KIMIO
Exec Dt:
01/07/1993
4
SHIMASAKI, YUUJI
Exec Dt:
01/07/1993
5
ISHIKAWA, RYUICHI
Exec Dt:
01/07/1993
6
UESHIMA, MICHIO
Exec Dt:
01/07/1993
Assignee
1
NIPPON SHOKUBAI CO., LTD.
1-1, 4-CHOME KORAIBASHI
CHUO-KU, OSAKA-SHI, OSAKA, 541, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5304656
NONE
07980009
Correspondence name and address
C. BRUCE HAMBURG
JORDAN AND HAMBURG
122 E. 42ND ST.
NEW YORK, NY 10168
Assignment: 3
Reel/Frame:007143/0533   Pages: 3
Recorded: 09/21/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIMURA, KAZUMASA
Exec Dt:
07/27/1994
2
KAI, TAKASHI
Exec Dt:
07/25/1994
3
YANO, HITOSHI
Exec Dt:
07/21/1994
4
ISHIKAWA, RYUICHI
Exec Dt:
07/21/1994
5
ABE, KAZUAKI
Exec Dt:
07/19/1994
6
ARITA, YOSHIHIRO
Exec Dt:
07/19/1994
Assignee
1
NIPPON SHOKUBAI CO., LTD.
1-1, KORAIBASHI 4-CHOME, CHUO-KU
OSAKA-SHI, OSAKA 541, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5478912
NONE
08291069
Correspondence name and address
OBLON SPIVAK MCCLELLAND MAIER & NEUSTADT
NORMAN F. OBLON
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 4
Reel/Frame:008279/0671   Pages: 3
Recorded: 11/07/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANO, HITOSHI
Exec Dt:
10/29/1996
2
YAMAGUCHI, YOSHINARI
Exec Dt:
10/29/1996
3
ITO, HIROKAZU
Exec Dt:
10/29/1996
4
ISHIKAWA, RYUICHI
Exec Dt:
10/29/1996
5
MATSUMOTO, YUKIHIRO
Exec Dt:
10/29/1996
6
KAZIWARA, TERUHISA
Exec Dt:
10/29/1996
Assignee
1
NIPPON SHOKUBAI CO., LTD.
1-1, KORAIBASHI 4-CHOME, CHUO-KU, OSAKA-SHI
OSAKA 541, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5833813
NONE
08737207
Correspondence name and address
ADDUCI, MASTRIANI & SCHAUMBERG, L.L.P.
RONALD J. KUBOVCIK
1140 CONNECTICUT AVENUE, N.W.
SUITE 250
WASHINGTON, D.C. 20036
Assignment: 5
Reel/Frame:008968/0572   Pages: 3
Recorded: 10/16/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HINO, YOUICHI
Exec Dt:
09/10/1997
2
ISHIKAWA, RYUICHI
Exec Dt:
09/12/1997
3
WAKAO, NORIHIRO
Exec Dt:
09/10/1997
Assignee
1
NIPPON SHOKUBAI CO., LTD.
1-1, KORAIBASHI 4-CHOME
CHUO-KU, OSAKA-SHI, OSAKA 541, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5821382
NONE
08945087
Correspondence name and address
KUBOVCIK & KUBOVCIK
KEIKO TANAKA KUBOVCIK
900 17TH STREET, N.W.
SUITE 990
WASHINGTON, D.C. 20006
Assignment: 6
Reel/Frame:009625/0400   Pages: 3
Recorded: 12/08/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHIKAWA, RYUICHI
Exec Dt:
11/20/1998
2
HARADA, KYOSUKE
Exec Dt:
11/20/1998
3
MASUDA, TAICHI
Exec Dt:
11/20/1998
Assignee
1
MITSUBISHI RAYON CO., LTD.
6-41, KONAN 1-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7013776
US20020038593
09160581
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
ATTORNEYS AT LAW
C. IRVIN MCCLELLAND
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 7
Reel/Frame:017445/0344   Pages: 3
Recorded: 05/03/2005
Attorney Dkt #:2005-0709a
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHIKAWA, RYUICHI
Exec Dt:
04/15/2005
2
GOKE, CHIKAO
Exec Dt:
04/15/2005
3
KOSUGI, SHIGERU
Exec Dt:
04/15/2005
4
CHO, HIROMITSU
Exec Dt:
04/15/2005
Assignee
1
EBARA CORPORAITON
11-1, HANEDA ASAHI-CHO, OHTA-KU
TOKYO, 144-8510, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060104872
10533667
Correspondence name and address
WENDEROTH, LIND & PONACK, L.L.P.
ATTN: NILS E. PEDERSEN, ESQ.
2033 K STREET, N.W., SUITE 800
WASHINGTON, D.C. 20006-1021
Assignment: 8
Reel/Frame:032933/0566   Pages: 2
Recorded: 05/20/2014
Attorney Dkt #:1690.052
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TOGAWA, NAOYUKI
Exec Dt:
05/08/2014
2
ISHIKAWA, RYUICHI
Exec Dt:
05/08/2014
Assignee
1
MITSUBISHI RAYON CO., LTD.
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8253
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D728750
NONE
29491348
Correspondence name and address
SAIDMAN DESIGNLAW GROUP PERRY J SAIDMAN
8601 GEORGIA AVE
SUITE 603
SILVER SPRING, MD 20910
Assignment: 9
Reel/Frame:033089/0821   Pages: 2
Recorded: 06/12/2014
Attorney Dkt #:1690.050
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TOGAWA, NAOYUKI
Exec Dt:
06/05/2014
2
ISHIKAWA, RYUICHI
Exec Dt:
06/05/2014
Assignee
1
MITSUBISHI RAYON CO., LTD.
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU
TOKYO, JAPAN 100-8253
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D720437
NONE
29491353
Correspondence name and address
PERRY J. SAIDMAN
8601 GEORGIA AVENUE, SUITE 603
SILVER SPRING, MD 20910
Assignment: 10
Reel/Frame:036180/0625   Pages: 4
Recorded: 07/27/2015
Attorney Dkt #:1609-0709PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHNO, KOHJI
Exec Dt:
07/13/2015
2
TSUKIGASE, HIROKI
Exec Dt:
07/13/2015
3
ISHIKAWA, RYUICHI
Exec Dt:
07/13/2015
Assignee
1
NIPPON STEEL & SUMITOMO METAL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8071
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10247478
US20150362253
14763376
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 11
Reel/Frame:044445/0073   Pages: 5
Recorded: 12/20/2017
Attorney Dkt #:509916US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IWATA, HIROSHI
Exec Dt:
11/13/2017
2
YAMAMOTO, NOBUYUKI
Exec Dt:
11/07/2017
3
OKUTSU, HAJIME
Exec Dt:
11/06/2017
4
ISHIKAWA, RYUICHI
Exec Dt:
11/06/2017
5
AKIYAMA, KOICHI
Exec Dt:
11/09/2017
6
KOBAYASHI, TAKAYUKI
Exec Dt:
11/06/2017
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10459035
US20180203071
15738192
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:044943/0346   Pages: 17
Recorded: 02/15/2018
Attorney Dkt #:510004US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IWATA, HIROSHI
Exec Dt:
11/13/2017
2
YAMAMOTO, NOBUYUKI
Exec Dt:
11/07/2017
3
OKUTSU, HAJIME
Exec Dt:
11/06/2017
4
ISHIKAWA, RYUICHI
Exec Dt:
11/06/2017
5
AKIYAMA, KOICHI
Exec Dt:
11/09/2017
6
KOBAYASHI, TAKAYUKI
Exec Dt:
11/06/2017
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10343352
US20180162070
15738380
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:045283/0387   Pages: 6
Recorded: 03/20/2018
Attorney Dkt #:512004US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMEJIMA, TADAO
Exec Dt:
03/15/2018
2
ISHIKAWA, RYUICHI
Exec Dt:
03/15/2018
3
IWATA, HIROSHI
Exec Dt:
03/15/2018
4
MIZUTORI, YUKIHIRO
Exec Dt:
03/15/2018
5
KAMATA, MASATOSHI
Exec Dt:
03/15/2018
6
WATANABE, YASUSHI
Exec Dt:
03/15/2018
7
OKUTSU, HAJIME
Exec Dt:
03/15/2018
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10927479
US20180209076
15925849
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:046824/0292   Pages: 5
Recorded: 09/10/2018
Attorney Dkt #:515742US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHIKAWA, RYUICHI
Exec Dt:
07/09/2018
2
MURANO, YASUNORI
Exec Dt:
07/09/2018
3
KAMATA, MASATOSHI
Exec Dt:
07/09/2018
4
YAMAMOTO, NOBUYUKI
Exec Dt:
07/09/2018
5
SAMEJIMA, TADAO
Exec Dt:
07/09/2018
Assignee
1
MITSUBISHI CHEMICAL CORPORATION
1-1, MARUNOUCHI 1-CHOME
CHIYODA-KU, TOKYO, JAPAN 100-8251
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180354243
16104198
Correspondence name and address
OBLON, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

Search Results as of: 05/01/2024 12:59 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