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Patent Assignment Assignor Details
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Assignor Name : KAMATA, HIROTOSHI
Total Assignments: 22
Assignment: 1
Reel/Frame:008720/0181   Pages: 2
Recorded: 08/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUGITA, SHUICHI
Exec Dt:
04/11/1997
2
KAMATA, HIROTOSHI
Exec Dt:
04/11/1997
3
YAMAMOTO, TOMIO
Exec Dt:
04/11/1997
4
OHTANI, KAZUO
Exec Dt:
04/11/1997
5
SENDAI, HIDETAKE
Exec Dt:
04/11/1997
Assignees
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN
2
SHOWA HIGHPOLYMER CO., LTD.
3-20, KANDA NISIKI-CHO, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6171700
NONE
08813237
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVNAIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3202
Assignment: 2
Reel/Frame:008643/0111   Pages: 2
Recorded: 07/11/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
06/27/1997
2
KOSHIKAWA, TOSHIO
Exec Dt:
06/27/1997
3
WATANABE, TAKEO
Exec Dt:
06/27/1997
4
OOGA, KAZUHIKO
Exec Dt:
06/27/1997
5
SUGITA, SHUICHI
Exec Dt:
06/27/1997
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6110987
NONE
08893390
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: 3
Reel/Frame:009189/0262   Pages: 2
Recorded: 05/21/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
05/08/1998
2
KOSHIKAWA, TOSHIO
Exec Dt:
05/08/1998
3
WATANABE, TAKEO
Exec Dt:
05/08/1998
4
SUGITA, SHUICHI
Exec Dt:
05/08/1998
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6165686
NONE
09081995
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3202
Assignment: 4
Reel/Frame:009571/0778   Pages: 2
Recorded: 11/04/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NAKAMURA, KENICHI
Exec Dt:
10/30/1998
2
KAMATA, HIROTOSHI
Exec Dt:
10/30/1998
3
KOSHIKAWA, TOSHIO
Exec Dt:
10/30/1998
4
SUGITA, SHUICHI
Exec Dt:
10/30/1998
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6211260
NONE
09185583
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: 5
Reel/Frame:009760/0795   Pages: 3
Recorded: 02/08/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTANI, KAZUO
Exec Dt:
12/01/1998
2
YAMAMOTO, TOMIO
Exec Dt:
12/01/1998
3
SENDAI, HIDETAKE
Exec Dt:
12/01/1998
4
KADOTA, TOSHIHIKO
Exec Dt:
12/01/1998
5
SUGITA, SHUICHI
Exec Dt:
12/01/1998
6
KAMATA, HIROTOSHI
Exec Dt:
12/01/1998
7
WATANABE, TAKEO
Exec Dt:
12/01/1998
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6316089
NONE
09205227
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:010149/0727   Pages: 2
Recorded: 08/06/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHTANI, KAZUO
Exec Dt:
03/12/1999
2
YAMAMOTO, TOMIO
Exec Dt:
03/12/1999
3
SENDAI, HIDETAKI
Exec Dt:
03/12/1999
4
SUGITA, SHUICHI
Exec Dt:
03/12/1999
5
KAMATA, HIROTOSHI
Exec Dt:
03/12/1999
6
WATANABE, TAKEO
Exec Dt:
03/16/1999
Assignees
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
2
SHOWA HIGHPOLYMER CO., LTD.
3-20 KANDA-NISHIKICHO, CHIYODA-KU
TOKYO 101-0054, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6207726
NONE
09247824
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
WADDELL A. BIGGART
2100 PENNSYLVANIA AVENUE, N.W., STE. 800
WASHINGTON, D.C. 20037-3213
Assignment: 7
Reel/Frame:010398/0332   Pages: 2
Recorded: 11/17/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
11/08/1999
2
WATANABE, TAKEO
Exec Dt:
11/10/1999
3
OOGA, KAZUHIKO
Exec Dt:
11/11/1999
4
KOSHIKAWA, TOSHIO
Exec Dt:
11/10/1999
Assignee
1
SHOWA DENKO KABUSHIKI KAISHA
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6486225
NONE
09441954
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:015249/0279   Pages: 3
Recorded: 11/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
08/07/2003
2
ONISHI, MINA
Exec Dt:
08/08/2003
3
KATOH, TSUYOSHI
Exec Dt:
08/19/2003
4
MIYAJIMA, YOSHIO
Exec Dt:
08/07/2003
5
MUROFUSHI, KATSUMI
Exec Dt:
08/08/2003
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040157140
10477357
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 9
Reel/Frame:016433/0199   Pages: 3
Recorded: 08/26/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KATOH, TSUYOSHI
Exec Dt:
07/09/2004
2
KAMATA, HIROTOSHI
Exec Dt:
07/06/2004
3
ONISHI, MINA
Exec Dt:
07/07/2004
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7341828
US20050153231
10505778
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 10
Reel/Frame:017368/0854   Pages: 2
Recorded: 04/15/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
04/06/2005
2
MIZO, TATSUHIRO
Exec Dt:
04/06/2005
3
ONISHI, MINA
Exec Dt:
04/06/2005
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060079593
10531665
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 11
Reel/Frame:017103/0268   Pages: 3
Recorded: 06/16/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
05/20/2005
2
KAMIJO, MASANAO
Exec Dt:
05/11/2005
3
ONISHI, MINA
Exec Dt:
05/11/2005
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060041053
10539283
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 12
Reel/Frame:017104/0685   Pages: 3
Recorded: 06/15/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
05/20/2005
2
KAMIJO, MASANAO
Exec Dt:
05/11/2005
3
ONISHI, MINA
Exec Dt:
05/11/2005
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060036023
10539037
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 13
Reel/Frame:017933/0128   Pages: 2
Recorded: 11/17/2005
Attorney Dkt #:Q75995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
09/26/2005
2
OHTA, KEISUKE
Exec Dt:
09/28/2005
3
KAI, KAZUFUMI
Exec Dt:
09/28/2005
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7569327
US20070021571
10557173
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 14
Reel/Frame:017898/0438   Pages: 2
Recorded: 05/05/2006
Attorney Dkt #:Q78449
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAKATA, YUKO
Exec Dt:
03/22/2006
2
UCHIDA, HIROSHI
Exec Dt:
03/22/2006
3
KAMATA, HIROTOSHI
Exec Dt:
03/22/2006
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBADAIMON 1-CHOME, MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070141507
10578494
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 15
Reel/Frame:018158/0294   Pages: 3
Recorded: 07/31/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
06/29/2006
2
MORINAKA, KATSUTOSHI
Exec Dt:
07/03/2006
3
UCHIDA, HIROSHI
Exec Dt:
07/05/2006
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7659413
US20070060760
10588072
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 16
Reel/Frame:018600/0375   Pages: 3
Recorded: 11/30/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
08/31/2006
2
KIMURA, KAZUYA
Exec Dt:
08/28/2006
3
UCHIDA, HIROSHI
Exec Dt:
08/27/2006
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU
TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080227946
11547664
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 17
Reel/Frame:019284/0042   Pages: 3
Recorded: 04/25/2007
Attorney Dkt #:Q84511
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
02/23/2007
2
ONISHI, MINA
Exec Dt:
02/20/2007
3
MUROFUSHI, KATSUMI
Exec Dt:
02/20/2007
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON 1-CHOME
MINATO-KU, TOKYO 105-8518, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7622613
US20080139688
11666223
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037
Assignment: 18
Reel/Frame:021725/0761   Pages: 4
Recorded: 10/23/2008
Attorney Dkt #:332187US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
07/28/2008
2
NISHIGUCHI, SHOJI
Exec Dt:
07/28/2008
3
YAGINUMA, DAISUKE
Exec Dt:
07/28/2008
4
SAKAMOTO, ATSUSHI
Exec Dt:
07/28/2008
5
MUZAFAROV, AZIZ MANSUROVICH
Exec Dt:
08/12/2008
6
TEBENEVA, NADEZHDA ANDREEVNA
Exec Dt:
08/12/2008
7
MYAKUSHEV, VIKTOR DAVIDOVICH
Exec Dt:
08/12/2008
8
VASILENKO, NATALIA GEORGIEVNA
Exec Dt:
08/12/2008
9
PARSHINA, EKATERINA
Exec Dt:
08/12/2008
10
MESHKOV, IVAN BORISOVICH
Exec Dt:
08/12/2008
Assignees
1
ENIKOLOPOV INSTITUTE OF SYNTHETIC POLYMERIC MATERIALS (ISPM) OF THE RUSSIAN ACADEMY OF SCIENCES
70, PROFSOYUZNAYA STR.
MOSCOW, RUSSIAN FEDERATION
2
SHOWA HIGHPOLYMER CO., LTD.
1-13-9 SHIBA DAIMON, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090105395
12297466
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 19
Reel/Frame:021948/0982   Pages: 3
Recorded: 12/09/2008
Attorney Dkt #:Q111299
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMATA, HIROTOSHI
Exec Dt:
11/06/2008
2
TAKAHASHI, KENTAROU
Exec Dt:
11/06/2008
3
LI, HUI
Exec Dt:
11/11/2008
4
IONIN, BORIS
Exec Dt:
11/20/2008
Assignee
1
SHOWA HIGHPOLYMER CO., LTD.
13-9, SHIBADAIMON 1-CHOME
MINATO-KU, TOKYO, JAPAN 105-0012
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100298506
12304053
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 20
Reel/Frame:022419/0311   Pages: 3
Recorded: 03/19/2009
Attorney Dkt #:337465US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKAHASHI, KENTAROU
Exec Dt:
12/26/2008
2
LI, HUI
Exec Dt:
12/26/2008
3
KAMATA, HIROTOSHI
Exec Dt:
12/26/2008
Assignee
1
SHOWA HIGHPOLYMER CO., LTD.
1-13-9 SHIBA DAIMON, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090280331
12374595
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 21
Reel/Frame:022536/0202   Pages: 3
Recorded: 04/13/2009
Attorney Dkt #:337463US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAKAHASHI, KENTAROU
Exec Dt:
12/26/2008
2
LI, HUI
Exec Dt:
12/26/2008
3
KAMATA, HIROTOSHI
Exec Dt:
12/26/2008
Assignee
1
SHOWA HIGHPOLYMER CO., LTD.
1-13-9 SHIBA DAIMON, MINATO-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090274916
12374556
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 22
Reel/Frame:037032/0198   Pages: 8
Recorded: 11/13/2015
Attorney Dkt #:Q222086
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FUKUYO, TOMOYUKI
Exec Dt:
10/21/2015
2
KAMATA, HIROTOSHI
Exec Dt:
10/21/2015
Assignee
1
SHOWA DENKO K.K.
13-9, SHIBA DAIMON, 1-CHOME, MINATO-KU
TOKYO, JAPAN 105-8518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160096964
14890991
Correspondence name and address
DARRYL HUNTER
2100 PENNSYLVANIA AVENUE NW
WASHINGTON, DC 20037

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