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Patent Assignment Assignor Details
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Assignor Name : HIBI, SHIGEKI
Total Assignments: 16
Assignment: 1
Reel/Frame:005202/0132   Pages: 1
Recorded: 12/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OKITA, MAKOTO
Exec Dt:
12/08/1989
2
SHIROTA, HIROSHI
Exec Dt:
12/08/1989
3
TANAKA, MASAYUKI
Exec Dt:
12/08/1989
4
KANEKO, TOSHIHIKO
Exec Dt:
12/08/1989
5
TAGAMI, KATSUYA
Exec Dt:
12/08/1989
6
HIBI, SHIGEKI
Exec Dt:
12/08/1989
7
OKAMOTO, YASUSHI
Exec Dt:
12/08/1989
8
NOMOTO, SEIICHIRO
Exec Dt:
12/08/1989
9
SUZUKI, TAKESHI
Exec Dt:
12/08/1989
10
CHIBA, KENICHI
Exec Dt:
12/08/1989
11
GOTO, MASAKI
Exec Dt:
12/08/1989
12
HASHIDA, RYOICHI
Exec Dt:
12/08/1989
13
ONO, HIDEKI
Exec Dt:
12/08/1989
14
OHHARA, HIDETO
Exec Dt:
12/08/1989
15
SAKURAI, HIDEKI
Exec Dt:
12/08/1989
16
SOUDA, SHIGERU
Exec Dt:
12/08/1989
17
MACHIDA, YOSHIMASA
Exec Dt:
12/08/1989
18
KATAYAMA, KOUICHI
Exec Dt:
12/08/1989
19
YAMATSU, ISAO
Exec Dt:
12/08/1989
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5134111
NONE
07451468
Correspondence name and address
NIXON AND VANDERHYE
2000 NORTH 15TH STREET, SUITE 409
ARLINGTON, VA 22201
Assignment: 2
Reel/Frame:005434/0753   Pages: 2
Recorded: 08/31/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ABE, SHINYA
Exec Dt:
08/24/1990
2
OKAMOTO, YASUSHI
Exec Dt:
08/24/1990
3
TAGAMI, KATSUYA
Exec Dt:
08/24/1990
4
HIBI, SHIGEKI
Exec Dt:
08/24/1990
5
NAGAKAWA, JUNICHI
Exec Dt:
08/24/1990
6
HIROTA, KAZUO
Exec Dt:
08/24/1990
7
HISHINUMA, IEHARU
Exec Dt:
08/24/1990
8
MIYAMOTO, KANAME
Exec Dt:
08/24/1990
9
YAMANAKA, TAKASHI
Exec Dt:
08/24/1990
10
YOKOHAMA, HIROMITSU
Exec Dt:
08/24/1990
11
YOSHIMURA, TSUTOMU
Exec Dt:
08/24/1990
12
HORIE, TOHRU
Exec Dt:
08/24/1990
13
AKITA, YASUNORI
Exec Dt:
08/24/1990
14
KATAYAMA, KOICHI
Exec Dt:
08/24/1990
15
YAMATSU, ISAO
Exec Dt:
08/24/1990
Assignee
1
EISAI CO., LTD
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5210239
NONE
07576054
Correspondence name and address
FLYNN, THIEL,
BOUTELL & TANIS
2026 RAMBLING ROAD
KALAMAZOO, MI 49008
Assignment: 3
Reel/Frame:006029/0529   Pages: 2
Recorded: 02/25/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OKAMOTO, YASUSHI
Exec Dt:
02/17/1992
2
TAGAMI, KATSUYA
Exec Dt:
02/17/1992
3
HIBI, SHIGEKI
Exec Dt:
02/17/1992
4
NUMATA, HIROTOSHI
Exec Dt:
02/17/1992
5
KAWAHARA, TETSUYA
Exec Dt:
02/17/1992
6
KOBAYASHI, NAOKI
Exec Dt:
02/17/1992
7
SHINODA, MASANOBU
Exec Dt:
02/17/1992
8
HARADA, KOUKICHI
Exec Dt:
02/17/1992
9
MIYAMOTO, KANAME
Exec Dt:
02/17/1992
10
ABE, KOICHI
Exec Dt:
02/17/1992
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5329010
NONE
07840862
Correspondence name and address
FLYNN, THIEL, BOUTELL AND TANIS
2026 RAMBLING RD.
KALAMAZOO, MI 49008
Assignment: 4
Reel/Frame:006076/0032   Pages: 4
Recorded: 03/31/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OKAMOTO, YASUSHI
Exec Dt:
03/17/1992
2
TAGAMI, KATSUYA
Exec Dt:
03/17/1992
3
HIBI, SHIGEKI
Exec Dt:
03/17/1992
4
NUMATA, HIROTOSHI
Exec Dt:
03/17/1992
5
KOBAYASHI, NAOKI
Exec Dt:
03/17/1992
6
SHINODA, MASANOBU
Exec Dt:
03/17/1992
7
KAWAHARA, TETSUYA
Exec Dt:
03/17/1992
8
MURAKAMI, MANABU
Exec Dt:
03/17/1992
9
OKETANI, KIYOSHI
Exec Dt:
03/17/1992
10
INOUE, TAKASHI
Exec Dt:
03/17/1992
11
YAMANAKA, TAKASHI
Exec Dt:
03/17/1992
12
YAMATSU, ISAO
Exec Dt:
03/17/1992
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5300518
NONE
07861379
Correspondence name and address
BIRCH, STEWART, KOLASCH AND BIRCH
301 NORTH WASHINGTON STREET
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 5
Reel/Frame:006429/0626   Pages: 6
Recorded: 02/03/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MIYAZAWA, SHUHEI
Exec Dt:
01/19/1993
2
HIBI, SHIGEKI
Exec Dt:
01/19/1993
3
YOSHIMURA, HIROYUKI
Exec Dt:
01/19/1993
4
MORI, TAKASHI
Exec Dt:
01/19/1993
5
HOSHINO, YORIHISA
Exec Dt:
01/19/1993
6
NAGAI, MITSUO
Exec Dt:
01/19/1993
7
KIKUCHI, KOUICHI
Exec Dt:
01/19/1993
8
SHIBATA, HISASHI
Exec Dt:
01/19/1993
9
HIROTA, KAZUO
Exec Dt:
01/19/1993
10
YAMANAKA, TAKASHI
Exec Dt:
01/19/1993
11
YAMATSU, ISAO
Exec Dt:
01/19/1993
12
MIZUNO, MASANORI
Exec Dt:
01/19/1993
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5389643
NONE
08013080
Correspondence name and address
RAYMOND C. STEWART
301 NORTH WASHINGTON STREET
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 6
Reel/Frame:007672/0531   Pages: 5
Recorded: 09/23/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOSHIMURA, HIROYUKI
Exec Dt:
09/05/1994
2
HIBI, SHIGEKI
Exec Dt:
09/05/1994
3
HISHINUMA, IEHARU
Exec Dt:
09/05/1994
4
NAGAI, MITSUO
Exec Dt:
09/05/1994
5
KIKUCHI, KOICHI
Exec Dt:
09/05/1994
6
NAGAKAWA, JUNICHI
Exec Dt:
09/05/1994
7
ASADA, MAMOTO
Exec Dt:
09/05/1994
8
MIYAMOTO, NORIMASA
Exec Dt:
09/05/1994
9
YAMATSU, ISAO
Exec Dt:
09/17/1994
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
TSUKUBA-SHI, IBARAKI, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5612356
NONE
08295636
Correspondence name and address
NIXON & VANDERHYE P.C.
ARTHUR R. CRAWFORD
1100 NORTH GLEBE ROAD
8TH FLOOR
ARLINGTON, VA 22201
Assignment: 7
Reel/Frame:008699/0423   Pages: 7
Recorded: 05/04/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIBI, SHIGEKI
Exec Dt:
04/28/1997
2
YOSHIMURA, HIROYUKI
Exec Dt:
04/28/1997
3
TAGAMI, KATSUYA
Exec Dt:
04/28/1997
4
HISHINUMA, IEHARU
Exec Dt:
04/28/1997
5
KIKUCHI, KOUICHI
Exec Dt:
04/28/1997
6
NAGAI, MITSUO
Exec Dt:
04/28/1997
7
ABE, SHINYA
Exec Dt:
04/28/1997
8
NAGAKAWA, JUNICHI
Exec Dt:
04/28/1997
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5977125
NONE
08836428
Correspondence name and address
NIXON & VANDERHYE P.C.
ARTHUR R. CRAWFORD
1100 NORTH GLEBE ROAD
8TH FLOOR
ARLINGTON, VA 22201
Assignment: 8
Reel/Frame:009009/0052   Pages: 4
Recorded: 12/30/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIKUCHI, KOUICHI
Exec Dt:
12/04/1997
2
TAGAMI, KATSUYA
Exec Dt:
12/04/1997
3
YOSHIMURA, HIROYUKI
Exec Dt:
12/04/1997
4
NAGAI, MITSUO
Exec Dt:
12/04/1997
5
ABE, SHINYA
Exec Dt:
12/04/1997
6
OKITA, MAKOTO
Exec Dt:
12/04/1997
7
HIBI, SHIGEKI
Exec Dt:
12/04/1997
8
HIDA, TAKAYUKI
Exec Dt:
12/04/1997
9
HIGASHI, SEIKO
Exec Dt:
12/04/1997
10
TOKUHARA, NAOKI
Exec Dt:
12/04/1997
11
KOBAYSHI, SEIICHI
Exec Dt:
12/04/1997
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5977108
NONE
08981770
Correspondence name and address
NIXON & VANDERHYE P.C.
ARTHUR R. CRAWFORD
1100 NORTH GLEBE ROAD, 8TH FLOOR
ARLINGTON, VA 22201
Assignment: 9
Reel/Frame:009677/0316   Pages: 4
Recorded: 08/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAGAMI, KATSUYA
Exec Dt:
08/10/1998
2
YOSHIMURA, HIROYUKI
Exec Dt:
08/10/1998
3
NAGAI, MITSUO
Exec Dt:
08/10/1998
4
HIBI, SHIGEKI
Exec Dt:
08/10/1998
5
KIKUCHI, KOUICHI
Exec Dt:
08/10/1998
6
SATO, TAKASHI
Exec Dt:
08/10/1998
7
OKITA, MAKOTO
Exec Dt:
08/10/1998
8
NAGASAKA, YUMIKO
Exec Dt:
08/10/1998
9
OKAMOTO, YASUSHI
Exec Dt:
08/10/1998
10
KABAYASHI, NAOKI
Exec Dt:
08/10/1998
11
HIDA, TAKAYUKI
Exec Dt:
08/10/1998
12
TAI, KENJI
Exec Dt:
08/10/1998
13
TOKUHARA, NAOKI
Exec Dt:
08/10/1998
14
KOBAYASHI, SEIICHI
Exec Dt:
08/10/1998
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6121309
NONE
09125522
Correspondence name and address
NIXON & VANDERHYE P.C.
ARTHUR R. CRAWFORD
1100 NORTH GLEBE ROAD, 8TH FLOOR
ARLINGTON, VA 22201
Assignment: 10
Reel/Frame:013167/0478   Pages: 5
Recorded: 06/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIBI, SHIGEKI
Exec Dt:
05/15/2002
2
HOSHINO, YORIHISA
Exec Dt:
05/15/2002
3
YOSHIUCHI, TATSUYA
Exec Dt:
05/15/2002
4
SHIN, KOGYOKU
Exec Dt:
05/15/2002
5
KIKUCHI, KOUICHI
Exec Dt:
05/15/2002
6
SOEJIMA, MOTOHIRO
Exec Dt:
05/15/2002
7
TABATA, MUTSUKO
Exec Dt:
05/15/2002
8
TAKAHASHI, YOSHINORI
Exec Dt:
05/15/2002
9
SHIBATA, HISASHI
Exec Dt:
05/15/2002
10
HIDA, TAKAYUKI
Exec Dt:
05/15/2002
11
HIRAKAWA, TETSUYA
Exec Dt:
05/15/2002
12
INO, MITSUHIRO
Exec Dt:
05/15/2002
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6951865
US20030078277
10148836
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
RAYMOND C. STEWART
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 11
Reel/Frame:014717/0917   Pages: 5
Recorded: 06/25/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIBI, SHIGEKI
Exec Dt:
06/13/2003
2
TAKAHASHI, YOSHINORI
Exec Dt:
06/13/2003
3
HOSHINO, YORIHISA
Exec Dt:
06/13/2003
4
KIKUCHI, KOICHI
Exec Dt:
06/13/2003
5
SOEJIMA, MOTOHIRO
Exec Dt:
06/13/2003
6
YOSHIUCHI, TATSUYA
Exec Dt:
06/13/2003
7
SHIN, KOGYOKU
Exec Dt:
06/13/2003
8
ONO, MUTSUKO
Exec Dt:
06/13/2003
9
SHIBATA, HISASHI
Exec Dt:
06/13/2003
10
INO, MITSUHIRO
Exec Dt:
06/13/2003
11
HIRAKAWA, TETSUYA
Exec Dt:
06/13/2003
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7078405
US20040082781
10451741
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOHN W. BAILEY
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 12
Reel/Frame:014631/0796   Pages: 4
Recorded: 10/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIBI, SHIGEKI
Exec Dt:
07/09/2003
2
KIKUCHI, KOICHI
Exec Dt:
07/09/2003
3
HOSHINO, YORIHISA
Exec Dt:
07/09/2003
4
SOEJIMA, MOTOHIRO
Exec Dt:
07/09/2003
5
YOSHIUCHI, TATSUYA
Exec Dt:
07/09/2003
6
SHIN, KOGYOKU
Exec Dt:
07/09/2003
7
ONO, MUTSUKO
Exec Dt:
07/09/2003
8
TAKAHASHI, YOSHINORI
Exec Dt:
07/09/2003
9
SHIBATA, HISASHI
Exec Dt:
07/09/2003
10
INO, MITSUHIRO
Exec Dt:
07/09/2003
11
HIRAKAWA, TETSUYA
Exec Dt:
07/09/2003
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7091215
US20040122039
10250693
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOHN W. BAILEY
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 13
Reel/Frame:015121/0271   Pages: 4
Recorded: 03/22/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIBI, SHIGEKI
Exec Dt:
01/26/2004
2
HOSHINO, YORIHISA
Exec Dt:
01/26/2004
3
KIKUCHI, KOICHI
Exec Dt:
01/26/2004
4
SHIN, KOGYOKU
Exec Dt:
01/26/2004
5
TAKAHASHI, YOSHINORI
Exec Dt:
01/26/2004
6
FUJISAWA, MASAE
Exec Dt:
01/26/2004
7
SHIBATA, HISASHI
Exec Dt:
01/26/2004
8
INO, MITSUHIRO
Exec Dt:
01/26/2004
Assignee
1
EISAI CO., LTD.
6-10, KOISHIDAWA 4-CHOME
BUNKYO-KU, TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7176216
US20040224974
10689088
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
MARC S. WEINER
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 14
Reel/Frame:017311/0343   Pages: 4
Recorded: 12/13/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIBI, SHIGEKI
Exec Dt:
02/16/2005
2
HOSHINO, YORIHISA
Exec Dt:
02/10/2005
3
KIKUCHI, KOICHI
Exec Dt:
02/08/2005
4
SHIN, KOGYOKU
Exec Dt:
02/16/2005
5
TAKAHASHI, YOSHINORI
Exec Dt:
02/17/2005
6
FUJISAWA, MASAE
Exec Dt:
02/17/2005
7
SHIBATA, HISASHI
Exec Dt:
02/15/2005
8
INO, MITSUHIRO
Exec Dt:
02/16/2005
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU
TOKYO 112-8088, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7323569
US20060235011
10524662
Correspondence name and address
JOHN W. BAILEY
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 15
Reel/Frame:024436/0372   Pages: 4
Recorded: 05/25/2010
Attorney Dkt #:50623/021002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HANADA, TAKAHISA
Exec Dt:
04/20/2010
2
HIBI, SHIGEKI
Exec Dt:
04/20/2010
3
MIYAZAKI, KAZUKI
Exec Dt:
05/06/2010
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100297181
12744454
Correspondence name and address
SUSAN M. MICHAUD, PH.D.
CLARK & ELBING LLP
101 FEDERAL STREET
BOSTON, MA 02110
Assignment: 16
Reel/Frame:024437/0285   Pages: 4
Recorded: 05/25/2010
Attorney Dkt #:50623/020002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HANADA, TAKAHISA
Exec Dt:
04/20/2010
2
HIBI, SHIGEKI
Exec Dt:
04/20/2010
3
MIYAZAKI, KAZUKI
Exec Dt:
05/06/2010
Assignee
1
EISAI R&D MANAGEMENT CO., LTD
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100256191
12744444
Correspondence name and address
SUSAN M. MICHAUD, PH.D.
CLARK & ELBING LLP
101 FEDERAL STREET
BOSTON, MA 02110

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