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Patent Assignment Assignor Details
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Assignor Name : YOSHIMATSU, KENTARO
Total Assignments: 12
Assignment: 1
Reel/Frame:005114/0774   Pages: 1
Recorded: 08/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YOSHIMATSU, KENTARO
Exec Dt:
08/03/1989
2
OHYA, YUKIO
Exec Dt:
08/03/1989
3
SHIKATA, YASUSHI
Exec Dt:
08/03/1989
4
TANAKA, ISAO
Exec Dt:
08/03/1989
5
HASEGAWA, YOSHIKAZU
Exec Dt:
08/03/1989
6
SETO, TOSHIO
Exec Dt:
08/03/1989
7
OSAWA, TOSHIO
Exec Dt:
08/07/1989
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU,
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5185431
NONE
07392841
Correspondence name and address
BIRCH, STEWART, KOLASCH AND BIRCH
301 NORTH WASHINGTON ST.
P. O. BOX 747
FALLS CHURCH, VA 22046-0747
Assignment: 2
Reel/Frame:005793/0046   Pages: 2
Recorded: 08/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YOSHINO, HIROSHI
Exec Dt:
08/01/1991
2
UEDA, NORIHIRO
Exec Dt:
08/01/1991
3
SUGUMI, HIROYUKI
Exec Dt:
08/01/1991
4
NIIJIMA, JUN
Exec Dt:
08/01/1991
5
KOTAKE, YOSHIHIKO
Exec Dt:
08/01/1991
6
OKADA, TOSHIMI
Exec Dt:
08/01/1991
7
KOYANAGI, NOZOMU
Exec Dt:
08/01/1991
8
WATANABE, TATSUO
Exec Dt:
07/29/1991
9
ASADA, MAKOTO
Exec Dt:
08/01/1991
10
YOSHIMATSU, KENTARO
Exec Dt:
08/01/1991
11
IIJIMA, ATSUMI
Exec Dt:
08/01/1991
12
NAGASU, TAKESHI
Exec Dt:
08/01/1991
13
TSUKAHARA, KAPPEI
Exec Dt:
08/01/1991
14
KITOH, KYOSUKE
Exec Dt:
08/01/1991
Assignee
1
EISAI CO., LTD.,
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5250549
NONE
07742618
Correspondence name and address
FLYNN, THIEL, BOUTELL & TANIS
2026 RAMBLING RD.
KALAMAZOO, MI 49008
Assignment: 3
Reel/Frame:007406/0995   Pages: 6
Recorded: 03/23/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOSHINO, HIROSHI
Exec Dt:
03/02/1995
2
UEDA, NORIHIRO
Exec Dt:
03/02/1995
3
NIIJIMA, JUN
Exec Dt:
03/02/1995
4
HANEDA, TORU
Exec Dt:
03/02/1995
5
KOTAKE, YOSHIHIKO
Exec Dt:
03/02/1995
6
YOSHIMATSU, KENTARO
Exec Dt:
03/02/1995
7
WATANABE, TATSUO
Exec Dt:
03/02/1995
8
NAGASU, TAKESHI
Exec Dt:
03/02/1995
9
TSUKAHARA, NAOKO
Exec Dt:
03/02/1995
10
KOYANAGI, NOZOMU
Exec Dt:
03/02/1995
11
KITOH, KYOSUKE
Exec Dt:
03/02/1995
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU, TOKYO
JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5834462
NONE
08397254
Correspondence name and address
FARACI C. JOSEPH
BIRCH, STEWART, KOLASCH & BIRCH
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 4
Reel/Frame:007699/0057   Pages: 6
Recorded: 05/10/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YOSHINO, HIROSHI
Exec Dt:
03/28/1995
2
OWA, TAKASHI
Exec Dt:
03/28/1995
3
OKAUCHI, TATSUO
Exec Dt:
03/28/1995
4
YOSHIMATSU, KENTARO
Exec Dt:
03/28/1995
5
SUGI, NAOKO
Exec Dt:
03/28/1995
6
NAGASU, TAKESHI
Exec Dt:
03/28/1995
7
OZAWA, YOICHI
Exec Dt:
03/28/1995
8
KOYANAGI, NOZOMU
Exec Dt:
03/28/1995
9
KITO, KYOSUKE
Exec Dt:
03/28/1995
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME
BUNKYO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5721246
NONE
08433493
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
FARACI C. JOSEPH
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 5
Reel/Frame:008409/0113   Pages: 11
Recorded: 03/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEWIS, MICHAEL D.
Exec Dt:
12/16/1996
2
KOWALCZYK, JAMES J.
Exec Dt:
12/16/1996
3
CHRISTUK, AMY E.
Exec Dt:
03/12/1997
4
FAN, RULIN
Exec Dt:
12/16/1996
5
HARRINGTON, EDMUND M.
Exec Dt:
03/12/1997
6
SHENG, XIAONING C.
Exec Dt:
03/03/1997
7
HISHINUMA, IEHARU
Exec Dt:
12/17/1996
8
NAGASUNA, TAKESHI
Exec Dt:
12/18/1996
9
YOSHIMATSU, KENTARO
Exec Dt:
12/17/1996
Assignee
1
EISAI CO., LTD.
KOISHIKAWA, BUNKYO-KU 4-6-10
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5840918
NONE
08704664
Correspondence name and address
CLARK & ELBING LLP
PAUL T. CLARK
585 COMMERCIAL STREET
BOSTON, MA 02109
Assignment: 6
Reel/Frame:008807/0267   Pages: 23
Recorded: 11/05/1997
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR NAME ON REEL 8552, FRAME 0290.
Assignors
1
LEWIS, MICHAEL D.
Exec Dt:
12/16/1996
2
KOWALCZYK, JAMES J.
Exec Dt:
12/16/1996
3
CHRISTUK, AMY E.
Exec Dt:
03/12/1997
4
FAN, RULIN
Exec Dt:
12/16/1996
5
HARRINGTON, EDMUND M.
Exec Dt:
03/12/1997
6
SHENG, XIAONING C.
Exec Dt:
03/02/1997
7
YANG, HU
Exec Dt:
12/16/1996
8
GARCIA, ANA MARIA
Exec Dt:
12/16/1996
9
HISHINUMA, IEHARU
Exec Dt:
12/17/1996
10
NAGASU, TAKESHI
Exec Dt:
12/18/1996
11
YOSHIMATSU, KENTARO
Exec Dt:
12/17/1996
Assignee
1
EISAI CO., LTD.
KOISHIKAWA, BUNKYO-KU 4-6-10
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5840918
NONE
08704664
Correspondence name and address
CLARK & ELBING LLP
PAUL T. CLARK
585 COMMERCIAL STREET
BOSTON, MA 02109
Assignment: 7
Reel/Frame:008552/0290   Pages: 13
Recorded: 03/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEWIS, MICHAEL D.
Exec Dt:
12/16/1996
2
KOWALCZYK, JAMES J.
Exec Dt:
12/17/1996
3
CHRISTUK, AMY E.
Exec Dt:
12/18/1996
4
FAN, RULIN
Exec Dt:
03/03/1997
5
HARRINGTON, EDMUND M.
Exec Dt:
03/12/1997
6
SHENG, XIAONING C.
Exec Dt:
12/16/1996
7
HISHINUMA, IEHARU
Exec Dt:
12/17/1996
8
NAGASUNA, TAKESHI
Exec Dt:
12/18/1996
9
YOSHIMATSU, KENTARO
Exec Dt:
03/03/1997
Assignee
1
EISAI CO., LTD.
KOISHIKAWA, BUNKYO-KU 4-6-10
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5840918
NONE
08704664
Correspondence name and address
CLARK & ELBING LLP
PAUL T. CLARK
585 COMMERCIAL STREET
BOSTON, MA 02109
Assignment: 8
Reel/Frame:009007/0540   Pages: 6
Recorded: 11/26/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUGUMI, HIROYUKI
Exec Dt:
10/23/1997
2
NIIJIMA, JUN
Exec Dt:
10/23/1997
3
KOTAKE, YOSHIHIKO
Exec Dt:
10/23/1997
4
OKUDA, TOSHIMI
Exec Dt:
10/23/1997
5
KAMATA, JUN-ICHI
Exec Dt:
10/23/1997
6
YOSHIMATSU, KENTARO
Exec Dt:
10/23/1997
7
NAGASU, TAKESHI
Exec Dt:
10/23/1997
8
NAKAMURA, KATSUJI
Exec Dt:
10/23/1997
9
UENAKA, TOSHIMITSU
Exec Dt:
10/23/1997
10
YAMAGUCHI, ATSUMI
Exec Dt:
10/23/1997
11
YOSHINO, HIROSHI
Exec Dt:
10/23/1997
12
KOYANAGI, NOZOMI
Exec Dt:
10/23/1997
13
KITO, KYOSUKE
Exec Dt:
10/23/1997
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5952335
NONE
08952778
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
C. JOSEPH FARACI
POST OFFICE BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 9
Reel/Frame:009391/0329   Pages: 10
Recorded: 08/19/1998
Conveyance: CORRECTION TO FOURTH AND TWELFTH ASSIGNORS' NAMES TO "TOSHIMI OKADA" AND "NOZOMU KOYANAGI", THEREBY CORRESPONDING TO THE NAMES ON THE EXECUTED ASSIGNMENT
Assignors
1
SUGUMI, HIROYUKI
Exec Dt:
10/23/1997
2
NIIJIMA, JUN
Exec Dt:
10/23/1997
3
KOTAKE, YOSHIHIKO
Exec Dt:
10/23/1997
4
OKADA, TOSHIMI
Exec Dt:
10/23/1997
5
KAMATA, JUN-ICHI
Exec Dt:
10/23/1997
6
YOSHIMATSU, KENTARO
Exec Dt:
10/23/1997
7
NAGASU, TAKESHI
Exec Dt:
10/23/1997
8
NAKAMURA, KATSUJI
Exec Dt:
10/23/1997
9
UENAKA, TOSHIMITSU
Exec Dt:
10/23/1997
10
YAMAGUCHI, ATSUMI
Exec Dt:
10/23/1997
11
YOSHINO, HIROSHI
Exec Dt:
10/23/1997
12
KOYANAGI, NOZOMU
Exec Dt:
10/23/1997
13
KITO, KYOSUKE
Exec Dt:
10/23/1997
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5952335
NONE
08952778
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JAMES T. ELLER, JR.
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 10
Reel/Frame:014205/0533   Pages: 3
Recorded: 03/31/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OZAWA, YOICHI
Exec Dt:
03/12/2003
2
YOSHIMATSU, KENTARO
Exec Dt:
03/12/2003
3
KAI, JUNKO
Exec Dt:
03/12/2003
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040002505
10381909
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
RAYMOND C. STEWART
PO BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 11
Reel/Frame:014245/0480   Pages: 2
Recorded: 07/08/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OZAWA, YOICHI
Exec Dt:
06/16/2003
2
YOSHIMATSU, KENTARO
Exec Dt:
06/16/2003
3
KAI, JUNKO
Exec Dt:
06/16/2003
Assignee
1
EISAI CO., LTD.
6-10, KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030215523
10431569
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:015706/0116   Pages: 8
Recorded: 03/05/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OWA, TAKASHI
Exec Dt:
02/23/2004
2
OZAWA, YOICHI
Exec Dt:
02/23/2004
3
HIDA, TAKAYUKI
Exec Dt:
02/23/2004
4
MIYAMOTO, NORIMASA
Exec Dt:
02/23/2004
5
NAGASU, TAKESHI
Exec Dt:
02/23/2004
6
OKAUCHI, TATSUO
Exec Dt:
02/23/2004
7
YOSHINO, HIROSHI
Exec Dt:
02/23/2004
8
HATA, NAOKO
Exec Dt:
02/23/2004
9
YOSHIMATSU, KENTARO
Exec Dt:
02/23/2004
10
KOYANAGI, NOZOMU
Exec Dt:
02/23/2004
11
KITO, KYOSUKE
Exec Dt:
02/23/2004
Assignee
1
EISAI CO., LTD.
6-10 KOISHIKAWA 4-CHOME, BUNKYO-KU
TOKYO 112-8088, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7015241
US20040242628
10488825
Correspondence name and address
CHOATE, HALL & STEWART
THERESA A. DEVLIN
EXCHANGE PLACE
53 STATE STREET
BOSTON, MA 02109

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