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Patent Assignment Assignor Details
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Assignor Name : HATA, KATSURA
Total Assignments: 8
Assignment: 1
Reel/Frame:007375/0503   Pages: 3
Recorded: 02/01/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAITO, TOSHIHIKO
Exec Dt:
01/27/1995
2
HATA, KATSURA
Exec Dt:
01/27/1995
3
KAKU, YUMIKO
Exec Dt:
01/27/1995
4
TSURUOKA, AKIHIKO
Exec Dt:
01/27/1995
5
TSUKADA, ITARU
Exec Dt:
01/27/1995
6
YANAGISAWA, MANABU
Exec Dt:
01/27/1995
7
TOYOSAWA, TOSHIO
Exec Dt:
01/27/1995
8
NARA, KAZUMASA
Exec Dt:
01/27/1995
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO,, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5648372
NONE
08382158
Correspondence name and address
MATTHEW JACOB, ESQ.
WENDEROTH, LIND & PONACK
805 15TH STREET, N.W., SUITE 700
WASHINGTON, DC 20005
Assignment: 2
Reel/Frame:014444/0157   Pages: 4
Recorded: 03/18/2004
Conveyance: CORRECTIVE TO INSERT ASSIGNORS PREVIOUSLY RECORDED AT REEL 014232 FRAME 0318. (ASSIGNMENT OF ASSIGNOR'S INTEREST)
Assignors
1
TSUKAHARA, KAPPEI
Exec Dt:
03/19/2003
2
HATA, KATSURA
Exec Dt:
03/19/2003
3
SAGANE, KOJI
Exec Dt:
03/19/2003
4
NAKAMOTO, KAZUTAKA
Exec Dt:
03/19/2003
5
TSUCHIYA, MAMIKO
Exec Dt:
03/19/2003
6
WATANABE, NAOKI
Exec Dt:
03/19/2003
7
OHBA, FUMINORI
Exec Dt:
03/19/2003
8
TSUKADA, ITARU
Exec Dt:
03/19/2003
9
UEDA, NORIHIRO
Exec Dt:
03/19/2003
10
TANAKA, KEIGO
Exec Dt:
03/19/2003
11
KAI, JUNKO
Exec Dt:
03/19/2003
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040038239
10332340
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
KEVIN BASTIAN
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 3
Reel/Frame:014461/0267   Pages: 4
Recorded: 03/25/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSUKAHARA, KAPPEI
Exec Dt:
03/19/2003
2
HATA, KATSURA
Exec Dt:
03/19/2003
3
SAGANE, KOJI
Exec Dt:
03/19/2003
4
NAKAMOTO, KAZUTAKA
Exec Dt:
03/19/2003
5
TSUCHLYA, MAMIKO
Exec Dt:
03/19/2003
6
WATANABE, NAOAKI
Exec Dt:
03/19/2003
7
OHBA, FUMINORI
Exec Dt:
03/19/2003
8
TSUKADA, ITARU
Exec Dt:
03/19/2003
9
UEDA, NORIHIRO
Exec Dt:
03/19/2003
10
TANAKA, KEIGO
Exec Dt:
03/19/2003
11
KAI, JUNKO
Exec Dt:
03/19/2003
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040038239
10332340
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
KEVIN BASTIAN
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 4
Reel/Frame:015398/0879   Pages: 7
Recorded: 06/01/2004
Attorney Dkt #:082390-000000US
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE 5TH ASSIGNOR'S NAME PREVIOUSLY RECORDED AT REEL 014461 FRAME 0267
Assignors
1
TSUKAHARA, KAPPEI
Exec Dt:
03/19/2003
2
HATA, KATSURA
Exec Dt:
03/19/2003
3
SAGANE, KOJI
Exec Dt:
03/19/2003
4
NAKAMOTO, KAZUTAKA
Exec Dt:
03/19/2003
5
TSUCHIYA, MAMIKO
Exec Dt:
03/19/2003
6
OHBA, FUMINORI
Exec Dt:
03/19/2003
7
TSUKADA, ITARU
Exec Dt:
03/19/2003
8
UEDA, NORIHIRO
Exec Dt:
03/19/2003
9
TANAKA, KEIGO
Exec Dt:
03/19/2003
10
KAI, JUNKO
Exec Dt:
03/19/2003
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU TOKYO 112-8088, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040038239
10332340
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
KEVIN BASTIAN
TWO EMBARCADERO CENTER, EIGHTH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 5
Reel/Frame:016896/0116   Pages: 4
Recorded: 12/14/2005
Attorney Dkt #:082384-000100US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HATA, KATSURA
Exec Dt:
05/30/2005
2
OGAWA, KAORU
Exec Dt:
06/01/2005
3
TSUKADA, ITARU
Exec Dt:
05/31/2005
4
NAKAMOTO, KAZUTAKA
Exec Dt:
05/26/2005
5
SAGANE, KOJI
Exec Dt:
06/01/2005
6
TANAKA, KEIGO
Exec Dt:
06/01/2005
7
TSUKAHARA, KAPPEI
Exec Dt:
06/01/2005
8
HORII, TOSHIHIRO
Exec Dt:
06/06/2005
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7928215
US20060172404
10535928
Correspondence name and address
TOWNSEND & TOWNSEND & CREW LLP
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111
Assignment: 6
Reel/Frame:017716/0942   Pages: 5
Recorded: 03/29/2006
Attorney Dkt #:3939-0118PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKAMOTO, KAZUTAKA
Exec Dt:
03/01/2006
2
TSUKADA, ITARU
Exec Dt:
03/01/2006
3
TANAKA, KEIGO
Exec Dt:
03/01/2006
4
MATSUKURA, MASAYUKI
Exec Dt:
03/01/2006
5
HANEDA, TORU
Exec Dt:
03/01/2006
6
INOUE, SATOSHI
Exec Dt:
03/01/2006
7
UEDA, NORIHIRO
Exec Dt:
03/08/2006
8
ABE, SHINYA
Exec Dt:
03/01/2006
9
HATA, KATSURA
Exec Dt:
03/01/2006
10
WATANABE, NAOAKI
Exec Dt:
03/01/2006
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU, TOKYO 112-8088, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7932272
US20070105943
10573890
Correspondence name and address
JOHN W. BAILEY
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100 EAST
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 7
Reel/Frame:030776/0555   Pages: 6
Recorded: 07/11/2013
Attorney Dkt #:3939-0223PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATANABE, NAOAKI
Exec Dt:
05/21/2013
2
HATA, KATSURA
Exec Dt:
05/21/2013
3
MIYAZAKI, MAMIKO
Exec Dt:
05/21/2013
4
HORII, TAKAAKI
Exec Dt:
05/22/2013
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
US20130288956
13881270
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P. O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 8
Reel/Frame:051813/0976   Pages: 3
Recorded: 02/13/2020
Attorney Dkt #:0079857-000038
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ISHIHARA, HIROSHI
Exec Dt:
02/07/2020
2
HATA, KATSURA
Exec Dt:
02/05/2020
3
MUTO, HIROKI
Exec Dt:
02/05/2020
4
HIRD, GEOFF
Exec Dt:
02/04/2020
Assignee
1
EISAI R&D MANAGEMENT CO., LTD
6-10 KOISHIKAWA, 4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10765633
US20200188300
16713027
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314

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