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Patent Assignment Assignor Details
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Assignor Name : SHIRAKAWA, AKIHIKO
Total Assignments: 24
Assignment: 1
Reel/Frame:009205/0855   Pages: 2
Recorded: 05/27/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
05/21/1998
2
NODA, TAKAO
Exec Dt:
05/21/1998
Assignee
1
SHOWA DENKO KABUSHIKI KAISHA
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6337157
US20010053482
09084599
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3202
Assignment: 2
Reel/Frame:011481/0034   Pages: 2
Recorded: 01/22/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
01/16/2001
2
NODA, TAKAO
Exec Dt:
01/16/2001
Assignee
1
SHOWA DENKO KABUSHIKI KAISHA
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6673491
US20010014421
09765349
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, NW
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 3
Reel/Frame:011556/0930   Pages: 3
Recorded: 02/20/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NODA, TAKAO
Exec Dt:
01/23/2001
2
SHIRAKAWA, AKIHIKO
Exec Dt:
01/23/2001
3
GAZE, JOSEPH
Exec Dt:
01/23/2001
4
YAMAUCHI, YOSHIAKI
Exec Dt:
01/23/2001
5
ONO, FUMIYOSHI
Exec Dt:
01/29/2001
Assignee
1
SHOWA DENKO K.K.
MINATO-KU
13-9, SHIBA DAIMON 1-CHOME
TOKYO, JAPAN 105-8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6699618
US20030054248
09785258
Correspondence name and address
SUGHRUE, MION, ZINN, ET AL.
WADDEL A. BIGGART
2100 PENNSYLVANIA, AVE, N.W., STE 800
WASHINGTON, DC 20037-3213
Assignment: 4
Reel/Frame:013299/0374   Pages: 2
Recorded: 09/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
09/10/2002
2
YOKOUCHI, HITOSHI
Exec Dt:
09/10/2002
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7431911
US20030044347
10189371
Correspondence name and address
SUGHRUE MION, PLLC.
SHELDON I. LANDSMAN
2100 PENNSYLVANIA AVE., N.W.
WASHINGTON DC 20037-3213
Assignment: 5
Reel/Frame:017445/0120   Pages: 2
Recorded: 06/17/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
06/14/2005
2
YOKOUCHI, HITOSHI
Exec Dt:
06/14/2005
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU,
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060172880
10539593
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 6
Reel/Frame:017078/0616   Pages: 2
Recorded: 10/11/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUROZUMI, TADATOSHI
Exec Dt:
09/14/2005
2
SHIRAKAWA, AKIHIKO
Exec Dt:
09/15/2005
3
YOKOUCHI, HITOSHI
Exec Dt:
09/14/2005
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060078492
11246373
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 7
Reel/Frame:018657/0302   Pages: 3
Recorded: 11/21/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUROZUMI, TADATOSHI
Exec Dt:
11/08/2006
2
SHIRAKAWA, AKIHIKO
Exec Dt:
11/08/2006
3
TANAKA, JUN
Exec Dt:
11/11/2006
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070205389
10593832
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 8
Reel/Frame:018949/0867   Pages: 2
Recorded: 02/20/2007
Attorney Dkt #:Q83360
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUROZUMI, TADATOSHI
Exec Dt:
02/05/2007
2
SHIRAKAWA, AKIHIKO
Exec Dt:
02/05/2007
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8052954
US20070253145
11660606
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 9
Reel/Frame:020214/0788   Pages: 2
Recorded: 12/07/2007
Attorney Dkt #:Q83461
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
09/18/2007
2
YOKOUCHI, HITOSHI
Exec Dt:
09/18/2007
Assignee
1
SHOWA DENKO KK
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080145292
11661120
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 10
Reel/Frame:020424/0855   Pages: 3
Recorded: 01/28/2008
Attorney Dkt #:Q89608
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
12/27/2007
2
FUKUNAGA, HIROFUMI
Exec Dt:
01/09/2008
3
YU, CHUNFU
Exec Dt:
12/27/2007
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8524324
US20100220428
11997090
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, NW
WASHINGTON, DC 20037-3213
Assignment: 11
Reel/Frame:020591/0514   Pages: 2
Recorded: 03/03/2008
Attorney Dkt #:Q89607
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SHIRAKAWA, AKIHIKO
Exec Dt:
02/14/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090140605
11997052
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20037
Assignment: 12
Reel/Frame:020591/0565   Pages: 3
Recorded: 03/03/2008
Attorney Dkt #:Q89609
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
02/14/2008
2
KAWASAKI, TOSHIYA
Exec Dt:
02/21/2008
3
FUKUNAGA, HIROFUMI
Exec Dt:
02/19/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090035592
11997268
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20037
Assignment: 13
Reel/Frame:021162/0534   Pages: 2
Recorded: 06/27/2008
Attorney Dkt #:Q92504
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SHIRAKAWA, AKIHIKO
Exec Dt:
06/23/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8486492
US20100227197
12159492
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 14
Reel/Frame:021164/0404   Pages: 2
Recorded: 06/27/2008
Attorney Dkt #:Q92505
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SHIRAKAWA, AKIHIKO
Exec Dt:
06/23/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8486493
US20100232087
12159560
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 15
Reel/Frame:021465/0332   Pages: 2
Recorded: 08/29/2008
Attorney Dkt #:Q92503
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OOHATA, HIDEKI
Exec Dt:
08/06/2008
2
SHIRAKAWA, AKIHIKO
Exec Dt:
08/04/2008
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7697267
US20080316681
12159699
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 16
Reel/Frame:022139/0803   Pages: 2
Recorded: 01/22/2009
Attorney Dkt #:Q99985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
01/13/2009
2
MITSUMOTO, RYUICHI
Exec Dt:
01/13/2009
3
TOKITA, KOJI
Exec Dt:
01/13/2009
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8254082
US20100014271
12374698
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 17
Reel/Frame:024257/0937   Pages: 2
Recorded: 04/20/2010
Attorney Dkt #:Q118572
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
04/12/2010
2
TOKITA, KOJI
Exec Dt:
04/12/2010
3
YU, CHUNFU
Exec Dt:
04/12/2010
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8377148
US20100195293
12762071
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 18
Reel/Frame:026429/0089   Pages: 2
Recorded: 06/10/2011
Attorney Dkt #:Q124414
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIBUYA, YOSHINORI
Exec Dt:
04/18/2011
2
SHIRAKAWA, AKIHIKO
Exec Dt:
04/21/2011
3
SUZUKI, MASAHIRO
Exec Dt:
04/27/2011
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8915974
US20110239424
13126553
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVE., N.W.
WASHINGTON, DC 20037
Assignment: 19
Reel/Frame:030445/0929   Pages: 2
Recorded: 05/20/2013
Attorney Dkt #:Q202524
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
05/15/2013
2
KABE, ISAO
Exec Dt:
05/15/2013
3
TONEGAWA, AKIHISA
Exec Dt:
05/15/2013
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9590246
US20130236385
13820388
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 20
Reel/Frame:030862/0634   Pages: 5
Recorded: 07/24/2013
Attorney Dkt #:Q204265
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHIRAKAWA, AKIHIKO
Exec Dt:
07/12/2013
2
YOKOUCHI, HITOSHI
Exec Dt:
07/12/2013
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINOTO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130251997
13895412
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 21
Reel/Frame:031496/0911   Pages: 2
Recorded: 10/25/2013
Attorney Dkt #:Q207913
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KABE, ISAO
Exec Dt:
10/18/2013
2
SHIRAKAWA, AKIHIKO
Exec Dt:
10/18/2013
3
ORIJI, GAKU
Exec Dt:
10/18/2013
4
TONEGAWA, AKIHISA
Exec Dt:
10/18/2013
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9745194
US20140056797
14113731
Correspondence name and address
DARRYL HUNTER
2100 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20037
Assignment: 22
Reel/Frame:032466/0239   Pages: 4
Recorded: 03/18/2014
Attorney Dkt #:Q210561
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TONEGAWA, AKIHISA
Exec Dt:
03/06/2014
2
SHIRAKAWA, AKIHIKO
Exec Dt:
03/06/2014
3
KABE, ISAO
Exec Dt:
03/06/2014
4
ORIJI, GAKU
Exec Dt:
03/06/2014
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140199475
14217995
Correspondence name and address
DARRYL HUNTER
2100 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20037
Assignment: 23
Reel/Frame:032509/0551   Pages: 4
Recorded: 03/24/2014
Attorney Dkt #:Q210570
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TONEGAWA, AKIHISA
Exec Dt:
03/19/2014
2
SHIRAKAWA, AKIHIKO
Exec Dt:
03/19/2014
3
KABE, ISAO
Exec Dt:
03/19/2014
4
ORIJI, GAKU
Exec Dt:
03/19/2014
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8968594
US20140203218
14223344
Correspondence name and address
DARRYL HUNTER
2100 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20037
Assignment: 24
Reel/Frame:043924/0543   Pages: 8
Recorded: 09/20/2017
Attorney Dkt #:177655
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IWAMOTO, HIDEKI
Exec Dt:
08/22/2017
2
SHIRAKAWA, AKIHIKO
Exec Dt:
09/04/2017
3
OKUDA, MITSURU
Exec Dt:
08/23/2017
Assignee
1
TOKAI KOGYO CO., LTD.
4-1, NAGANE-CHO, OBU-SHI,
AICHI, JAPAN 4748688
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10232539
US20180009149
15546587
Correspondence name and address
JAMES A. OLIFF
OLIFF PLC
P.O. BOX 320850
ALEXANDRIA, VA 22320-4850

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