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Patent Assignment Assignor Details
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Assignor Name : KOKEN CO., LTD.
Total Assignments: 20
Assignment: 1
Reel/Frame:015065/0475   Pages: 22
Recorded: 03/11/2004
Conveyance: CHANGE OF COMPANY NAME
Assignor
1
KOKEN CO., LTD.
Exec Dt:
02/18/1991
Assignee
1
KOKEN LTD.
7, YONBANCHO, CHIYODA-KU
TOKYO, JAPAN 102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5972879
NONE
07700158
Correspondence name and address
MCDERMOTT, WILL & EMERY
STEPHEN A. BECKER
600 13TH STREET, N.W.
WASHINGTON, DC. 20005-3096
Assignment: 2
Reel/Frame:007496/0520   Pages: 5
Recorded: 06/22/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUMITOMO CHEMICAL COMPANY, LIMITED
Exec Dt:
06/08/1995
2
KOKEN CO., LTD.
Exec Dt:
06/08/1995
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA, JAPAN 541
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5164139
NONE
07690385
Correspondence name and address
ANDREW D. MEIKLE
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 3
Reel/Frame:007500/0686   Pages: 5
Recorded: 06/22/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUMITOMO CHEMCIAL COMPANY, LIMITED
Exec Dt:
06/08/1995
2
KOKEN CO., LTD.
Exec Dt:
06/08/1995
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
CHUO-KU
5-33, KITAHAMA 4-CHOME
OSAKA 541, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5496559
NONE
08122430
Correspondence name and address
ANDREW D. MEIKLE
BIRCH, STEWART KOLASCH & BIRCH
P.O.B OX 747
FALLS CHURCH, VA 22040-0747
Assignment: 4
Reel/Frame:007511/0028   Pages: 5
Recorded: 06/22/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUMITOMO CHEMICAL COMPANY, LIMITED
Exec Dt:
06/08/1995
2
KOKEN CO., LTD.
Exec Dt:
06/08/1995
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA, JAPAN 541
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5236704
NONE
07302476
Correspondence name and address
ANDREW D. MEIKLE
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 5
Reel/Frame:007511/0033   Pages: 5
Recorded: 06/22/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUMITOMO CHEMICAL COMPANY, LIMITED
Exec Dt:
06/08/1995
2
KOKEN CO., LTD.
Exec Dt:
06/08/1995
Assignee
1
SUMITOMO CHEMICAL COMPANY, LIMITED
5-33, KITAHAMA 4-CHOME, CHUO-KU
OSAKA, JAPAN 541
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4849141
NONE
06946075
Correspondence name and address
ANDREW D. MEIKLE
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 6
Reel/Frame:007815/0391   Pages: 5
Recorded: 11/09/1995
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT ASSIGNOR AND ASSIGNEE NAME, PREVIOUSLY RECORDED ON REEL 7511, FRAME 0028.
Assignors
1
SUMITOMO PHARMACEUTICALS COMPANY, LTD.
Exec Dt:
06/08/1995
2
KOKEN CO., LTD.
Exec Dt:
06/08/1995
Assignee
1
SUMITOMO PHARMACEUTICALS COMPANY LTD.
2-8, DOSHO-MACHI 2-CHOME, CHUO-KU
OSAKA-SHI, OSAKA-FU, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5236704
NONE
07302476
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
ANDREW D. MEIKLE
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 7
Reel/Frame:011190/0644   Pages: 6
Recorded: 10/10/2000
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE CONVEYING PARTY AND CORRECT THE RECEIVING PARTIES ADDRESS PREVIOUSLY RECORDED AT REEL 7510 FRAME 0451.
Assignors
1
SUMITOMO PHARMACEUTICALS COMPANY, LIMITED
Exec Dt:
06/08/1995
2
KOKEN CO., LTD.
Exec Dt:
06/08/1995
Assignee
1
SUMITOMO PHARMACEUTICALS COMPANY, LIMITED
2-8, DOSHO-MACHI 2-CHOME, CHUO-KU
OSAKA-SHI, OSAKA-FU, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5800390
NONE
08900135
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
JOE MCKINNEY MUNCY
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 8
Reel/Frame:008698/0343   Pages: 3
Recorded: 09/12/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OPTICOL CORPORATION
Exec Dt:
07/24/1997
2
KOKEN CO., LTD.
Exec Dt:
09/05/1997
Assignee
1
BIOPOLYMER CORPORATION
STANFORD, CONNECTICUT
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4748152
NONE
06888084
Correspondence name and address
ALSTON & BIRD
ERNEST B. LIPSCOMB, III.
P.O. DRAWER 34009
CHARLOTTE, NC 28234
Assignment: 9
Reel/Frame:019558/0050   Pages: 2
Recorded: 07/13/2007
Attorney Dkt #:0020-4628P
Conveyance: CHANGE OF ADDRESS OF ASSIGNEE
Assignor
1
KOKEN CO., LTD.
Exec Dt:
01/10/2001
Assignee
1
KOKEN CO., LTD.
3-14-3, MEJIRO, TOSHIMA-KU
TOKYO-TO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7968095
NONE
09424078
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 10
Reel/Frame:011583/0096   Pages: 3
Recorded: 03/08/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOKEN CO., LTD.
Exec Dt:
02/20/2001
2
NAGOYA, MITSUGU
Exec Dt:
02/20/2001
3
SAKAMAKI, KAZUMI
Exec Dt:
02/20/2001
Assignee
1
DUAXES CORPORATION
24-9 AKABANENISHI 6-CHOME, KITA-KU
TOKYO 115-0055, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6243665
NONE
08894630
Correspondence name and address
KANESAKA & TAKEUCHI
MANABU KANESAKA
1423 POWHATAN STREET
ALEXANDRIA, VIRGINIA 22314
Assignment: 11
Reel/Frame:013399/0144   Pages: 3
Recorded: 10/18/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOKEN CO., LTD.
Exec Dt:
10/15/2002
Assignee
1
DUAXES CORPORATION
22-2, SHINKAWA 2-CHOME, CHUO-KU
TOKYO, JAPAN 104-0033
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6526534
NONE
09475270
Correspondence name and address
KANESAKA & TAKEUCHI
MANABU KANESAKA
1423 POWHATAN STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:014085/0319   Pages: 3
Recorded: 05/19/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGOYA, MITSUGU
Exec Dt:
05/09/2003
2
KOKEN CO., LTD.
Exec Dt:
05/09/2003
Assignee
1
DUAXES CORPORATION
22-2, SHINKAWA 2-CHOME
CHUO-KU, TOKYO 104-0033, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6591387
NONE
09424452
Correspondence name and address
KANESAKA & TAKEUCHI
MANABU KANESAKA
1423 POWHATAN STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:019881/0157   Pages: 2
Recorded: 09/20/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOKEN CO., LTD.
Exec Dt:
09/06/2007
Assignee
1
DUAXES CORPORATION
KASUMIGASEKI BUILDING 14TH FLOOR
3-2-5, KASUMIGSEKI, CHIYODA-KU
TOKYO 100-6014, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6622262
NONE
09475271
Correspondence name and address
KANESAKA BERNER & PARTNERS
PATENT AGENTS, LLP
1700 DIAGONAL ROAD, SUITE 310
ALEXANDRIA, VA 22314
Assignment: 14
Reel/Frame:019883/0244   Pages: 7
Recorded: 09/20/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAGOYA, MITSUGU
Exec Dt:
09/06/2007
2
KOKEN CO., LTD.
Exec Dt:
09/06/2007
Assignee
1
DUAXES CORPORATION
KASUMIGASEKI BUILDING 14TH FLOOR
3-2-5, KASUMIGASEKI, CHIYODA-KU
TOKYO 100-6014, JAPAN
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
6671840
NONE
09424453
 
6658614
NONE
09424454
 
6701475
NONE
09424455
Correspondence name and address
KANESAKA BERNER & PARTNERS
PATENT AGENTS, LLP
1700 DIAGONAL ROAD, SUITE 310
ALEXANDRIA, VA 22314
Assignment: 15
Reel/Frame:023142/0293   Pages: 5
Recorded: 08/25/2009
Attorney Dkt #:20080-00014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOKEN CO., LTD.
Exec Dt:
07/29/2009
Assignees
1
NATIONAL CANCER CENTER
1-1, TSUKIGI 5-CHOME, CHUO-KU
TOKYO, JAPAN 104-0045
2
KOKEN CO., LTD.
14-3, MEJIRO 3-CHOME, TOSHIMA-KU
TOKYO, JAPAN 171-0031
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8029990
US20090093058
11996002
Correspondence name and address
JOSEPH HYOSUK KIM, PH.D.
2718 PIEDMONT AVENUE #8
MONTROSE, CA 91020
Assignment: 16
Reel/Frame:024775/0780   Pages: 4
Recorded: 08/02/2010
Attorney Dkt #:0020-5094P
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOKEN CO., LTD.
Exec Dt:
03/16/2010
Assignee
1
NATIONAL CANCER CENTER
1-1, TSUKIJI 5-CHOME
CHUO-KU, TOKYO, JAPAN 104-0045
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040052840
10311621
Correspondence name and address
BIRCH STEWART KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
SUITE 100E
FALLS CHURCH, VA 22042
Assignment: 17
Reel/Frame:024775/0793   Pages: 4
Recorded: 08/02/2010
Attorney Dkt #:0020-5094PUS2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOKEN CO., LTD.
Exec Dt:
03/16/2010
Assignee
1
NATIONAL CANCER CENTER
1-1, TSUKIJI 5-CHOME
CHUO-KU, TOKYO, JAPAN 104-0045
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090258933
12486703
Correspondence name and address
BIRCH STEWART KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
SUITE 100E
FALLS CHURCH, VA 22042
Assignment: 18
Reel/Frame:024775/0819   Pages: 4
Recorded: 08/02/2010
Attorney Dkt #:0020-5210PUS2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOKEN CO., LTD.
Exec Dt:
03/16/2010
Assignee
1
NATIONAL CANCER CENTER
1-1, TSUKIJI 5-CHOME
CHUO-KU, TOKYO, JAPAN 104-0045
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100081202
12554846
Correspondence name and address
BIRCH STEWART KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
SUITE 100E
FALLS CHURCH, VA 22042
Assignment: 19
Reel/Frame:024775/0830   Pages: 4
Recorded: 08/02/2010
Attorney Dkt #:0020-5493P
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOKEN CO., LTD.
Exec Dt:
03/16/2010
Assignee
1
NATIONAL CANCER CENTER
1-1, TSUKIJI 5-CHOME
CHUO-KU, TOKYO, JAPAN 104-0045
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080318319
10583277
Correspondence name and address
BIRCH STEWART KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
SUITE 100E
FALLS CHURCH, VA 22042
Assignment: 20
Reel/Frame:024775/0933   Pages: 4
Recorded: 08/02/2010
Attorney Dkt #:0020-5210P
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOKEN CO., LTD.
Exec Dt:
03/16/2010
Assignee
1
NATIONAL CANCER CENTER
1-1, TSUKIJI 5-CHOME
CHUO-KU, TOKYO, JAPAN 104-0045
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8742091
US20040266004
10481511
Correspondence name and address
BIRCH STEWART KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
SUITE 100E
FALLS CHURCH, VA 22042

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