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

Assignee Name : SEIKAGAKU KOGYO KABUSHIKI KAISHA
Total Assignments: 26
Assignment: 1
Reel/Frame:005774/0865   Pages: 3
Recorded: 07/24/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/24/1991
Assignee
1
A JAPANESE CORPORATION
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06796302
Correspondence name and address
DIANE L. LEFFORGE
STEPTOE & JOHNSON
1330 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036-1795
Assignment: 2
Reel/Frame:006039/0490   Pages: 2
Recorded: 02/28/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/30/1992
2
Exec Dt:
01/30/1992
3
Exec Dt:
01/30/1992
4
Exec Dt:
01/30/1992
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
(SEIKAGAKU CORPORATION)
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07843812
Correspondence name and address
CHARLES A. MUSERLIAN
BIERMAN ANDMUSERLIAN
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:006385/0758   Pages: 2
Recorded: 01/22/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/08/1993
2
Exec Dt:
01/08/1993
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07984535
Correspondence name and address
JOHN SMITH-HILL
DELLETT, SMITH-HILL AND BEDELL
1070 ONE MAIN PLACE
101 SW MAIN
PORTLAND, OR 97204
Assignment: 4
Reel/Frame:006713/0758   Pages: 11
Recorded: 09/29/1993
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
01/12/1993
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME CHUO-KU
TOKYO 103, JAPAN
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
07397942
 
NONE
07789583
 
NONE
07835956
 
NONE
07847065
 
NONE
07908910
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
LOUIS GUBINSKY
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 5
Reel/Frame:006532/0862   Pages: 2
Recorded: 04/07/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/24/1993
2
Exec Dt:
03/10/1993
3
Exec Dt:
03/25/1993
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08013799
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 6
Reel/Frame:006522/0537   Pages: 2
Recorded: 05/04/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/08/1993
2
Exec Dt:
04/09/1993
3
Exec Dt:
04/08/1993
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08031476
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 7
Reel/Frame:006651/0787   Pages: 2
Recorded: 06/17/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/25/1993
2
Exec Dt:
05/25/1993
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME CHUO-KU, TOKYO 103 JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08058306
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 8
Reel/Frame:006647/0672   Pages: 2
Recorded: 07/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/19/1993
2
Exec Dt:
07/19/1993
3
Exec Dt:
07/19/1993
4
Exec Dt:
07/19/1993
5
Exec Dt:
07/19/1993
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU TOKYO 103 JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08098936
Correspondence name and address
WADDELL A. BIGGART
SUGHRUE, MION, ZINN, MACPEAK & SEAS
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3202
Assignment: 9
Reel/Frame:006709/0810   Pages: 4
Recorded: 10/04/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
09/17/1993
Assignee
1
1-5, NIHONBASHI-HONCHO
2-CHOME, CHUO-KU, TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07189135
Correspondence name and address
JAMES R. SHAY, ESQ.
MORRISON & FOERSTER
755 PAGE MILL ROAD
PALO ALTO, CA 94304-1018
Assignment: 10
Reel/Frame:007335/0120   Pages: 2
Recorded: 01/24/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/04/1995
2
Exec Dt:
01/05/1995
3
Exec Dt:
01/06/1995
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08305377
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 11
Reel/Frame:007641/0955   Pages: 3
Recorded: 09/22/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/26/1995
2
Exec Dt:
05/26/1995
3
Exec Dt:
05/26/1995
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08505617
Correspondence name and address
TESTA, HURWITZ & THIBEAULT
PAULA A. CAMPBELL
PATENT ADMINISTRATOR
HIGH STREET TOWER, 125 HIGH STREET
BOSTON, MA 02110
Assignment: 12
Reel/Frame:007632/0598   Pages: 2
Recorded: 08/29/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/08/1995
2
Exec Dt:
08/08/1995
3
Exec Dt:
08/08/1995
4
Exec Dt:
08/08/1995
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08474722
Correspondence name and address
WADDELL A. BIGGART
SUGHRUE, MION, ZINN, MACPEAK & SEAS
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 13
Reel/Frame:007947/0867   Pages: 2
Recorded: 02/13/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/05/1996
2
Exec Dt:
01/05/1996
3
Exec Dt:
01/05/1996
4
Exec Dt:
01/05/1996
Assignee
1
1-5, NOHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08561947
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 14
Reel/Frame:008093/0430   Pages: 8
Recorded: 08/21/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/05/1996
2
Exec Dt:
01/05/1996
3
Exec Dt:
01/05/1996
4
Exec Dt:
01/05/1996
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME
CHU-KUO, TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08561947
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
GORDON KIT
2100 PENNSYLVANIA AVENUE, NW
SUITE 800
WASHINGTON, DC 20037-3202
Assignment: 15
Reel/Frame:008100/0735   Pages: 2
Recorded: 05/31/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/20/1996
2
Exec Dt:
05/20/1996
Assignee
1
1-5 NIHONBASHI HONCHO 2-CHOME
CHOU-KU TOKYO, JAPAN 103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08655878
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR
DANIEL E. ALTMAN
620 NEWPORT CENTER DRIVE
SIXTEENTH FLOOR
NEWPORT BEACH, CA 92660
Assignment: 16
Reel/Frame:008135/0443   Pages: 2
Recorded: 07/24/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/12/1996
2
Exec Dt:
07/12/1996
3
Exec Dt:
07/12/1996
4
Exec Dt:
07/12/1996
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08685659
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR
DANIEL E. ALTMAN
SIXTEENTH FLOOR
620 NEWPORT CENTER DRIVE
NEWPORT BEACH, CALIFORNIA 92660
Assignment: 17
Reel/Frame:008202/0074   Pages: 3
Recorded: 08/02/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/17/1996
2
Exec Dt:
07/17/1996
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME,
CHUO-KU, TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08687406
Correspondence name and address
ARMSTRONG, WESTERMAN, HATTORI, ET AL.
LE-NHUNG MCLELAND
1725 K STREET, N.W.
SUITE 1000
WASHINGTON, D.C. 20006
Assignment: 18
Reel/Frame:008498/0186   Pages: 3
Recorded: 03/31/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/19/1997
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08829368
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
DANIEL E. ALTMAN
SIXTEENTH FLOOR
620 NEWPORT CENTER DRIVE
NEWPORT BEACH, CA 92660
Assignment: 19
Reel/Frame:008813/0830   Pages: 2
Recorded: 08/14/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/16/1997
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME
(ALSO KNOWN AS SEIKAGAKU CORPORATION)
CHUO-KU, TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29069441
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
ROBERT V. SLOAN
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 20
Reel/Frame:008653/0589   Pages: 3
Recorded: 07/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/14/1997
2
Exec Dt:
07/14/1997
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08899514
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
DANIEL E. ALTMAN
620 NEWPORT CENTER DRIVE
NEWPORT BEACH, CA 92660
Assignment: 21
Reel/Frame:009121/0746   Pages: 3
Recorded: 04/17/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/16/1997
2
Exec Dt:
12/18/1997
3
Exec Dt:
12/25/1997
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08954792
Correspondence name and address
KNOBBE, MARTENS. OLSON & BEAR, LLP
DANIEL E. ALTMAN
620 NEWPORT CENTER DRIVE
SIXTEENTH FLOOR
NEWPORT BEACH, CA 92660
Assignment: 22
Reel/Frame:009087/0290   Pages: 2
Recorded: 04/06/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/28/1998
2
Exec Dt:
01/28/1998
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME, CHUO-KU
TOKYO, 103, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08980659
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
DANIEL E. ALTMAN
16TH FLOOR
620 NEWPORT CENTER DRIVE
NEWPORT BEACH, CA 92660
Assignment: 23
Reel/Frame:009338/0728   Pages: 3
Recorded: 07/16/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/17/1998
2
Exec Dt:
06/17/1998
3
Exec Dt:
06/17/1998
Assignee
1
CHUO-KU
1-5, NIHONBASHI-HONCHO 2-CHOME
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09055106
Correspondence name and address
KNOBBE, MARTENS, OLSON, & BEAR, LLP
DANIEL E. ALTMAN
620 NEWPORT CENTER DRIVE, 16TH FLOOR
NEWPORT BEACH, CA 92660
Assignment: 24
Reel/Frame:010466/0208   Pages: 3
Recorded: 12/06/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/24/1999
Assignee
1
1-5, NIHONBASHI-HONCHO 2-CHOME CHUO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09425488
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
DANIEL E. ALTMAN
620 NEWPORT CENTER DRIVE
SIXTEENTH FLOOR
NEWPORT BEACH, CA 92660
Assignment: 25
Reel/Frame:016499/0064   Pages: 10
Recorded: 09/07/2005
Conveyance: CHANGE OF ADDRESS
Assignor
1
Exec Dt:
07/13/2005
Assignee
1
6-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
10232526
 
10286822
 
NONE
10294561
 
10492947
 
10506548
 
10516099
 
10516100
 
NONE
10520659
 
NONE
10522153
 
NONE
10745662
 
NONE
10755667
 
NONE
10777683
 
10793942
Correspondence name and address
SUSAN J. MACK
2100 PENSYLVANIA AVE
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 26
Reel/Frame:039544/0695   Pages: 6
Recorded: 08/25/2016
Attorney Dkt #:SHW-0001SKG/DN
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/15/2016
2
Exec Dt:
08/19/2016
3
Exec Dt:
08/16/2016
4
Exec Dt:
08/16/2016
Assignee
1
6-1, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, JAPAN 100-0005
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29574234
Correspondence name and address
IMAIZUMI IP LAW, PLLC
4601 NORTH FAIRFAX DRIVE
SUITE 1200
ARLINGTON, VA 22203

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