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Junji Sakata
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Adherent resin composition
Patent number
8,859,634
Issue date
Oct 14, 2014
Bridgestone Corporation
Junji Sakata
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Developing roller, charging roller, conductive roller and method fo...
Patent number
8,376,922
Issue date
Feb 19, 2013
Bridgestone Corporation
Shuyou Akama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Conductive elastic roller and image forming apparatus comprising th...
Patent number
8,337,373
Issue date
Dec 25, 2012
Bridgestone Corporation
Junji Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Elastic member and image formation equipment
Patent number
6,818,674
Issue date
Nov 16, 2004
Bridgestone Corporation
Junji Sakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Foamed elastic member for use in image forming apparatus
Patent number
6,810,227
Issue date
Oct 26, 2004
Bridgestone Corporation
Junji Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electroconductive elastic member, elastic member and image formatio...
Patent number
6,572,791
Issue date
Jun 3, 2003
Bridgestone Corporation
Junji Sakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Toner supply roller and developing apparatus
Patent number
6,480,692
Issue date
Nov 12, 2002
Bridgestone Corporation
Hirotaka Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electroconductive elastic member and electrophotographic apparatus...
Patent number
5,933,693
Issue date
Aug 3, 1999
Bridgestone Corporation
Junji Sakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electroconductiive member and electrophotogrpahic apparatus
Patent number
5,911,099
Issue date
Jun 8, 1999
Bridgestone Corporation
Tadashi Nakajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Foam molding method and mold assembly therefor
Patent number
5,132,064
Issue date
Jul 21, 1992
Bridgestone Corporation
Toshio Iwasawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Foam molding assembly
Patent number
5,039,291
Issue date
Aug 13, 1991
Bridgestone Corporation
Toshio Iwasawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
ADHERENT RESIN COMPOSITION
Publication number
20100286301
Publication date
Nov 11, 2010
BRIDGESTONE CORPORATION
Junji Sakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CONDUCTIVE ELASTIC ROLLER AND IMAGE FORMING APPARATUS COMPRISING TH...
Publication number
20100014891
Publication date
Jan 21, 2010
BRIDGESTONE CORPORATION
Junji Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONDUCTIVE ROLLER AND IMAGE FORMING APPARATUS COMPRISING THE SAME
Publication number
20090010690
Publication date
Jan 8, 2009
BRIDGESTONE CORPORATION
Hiroyuki Kanesugi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Roller, Charging Roller, Conductive Roller and Method fo...
Publication number
20080292366
Publication date
Nov 27, 2008
Bridgestone Corporation
Shuyou Akama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Conductive elastic roller and image forming apparatus comprising th...
Publication number
20070197362
Publication date
Aug 23, 2007
Bridgestone Corporation
Junji Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing roller and image forming device
Publication number
20040170449
Publication date
Sep 2, 2004
Bridgestone Corporation
Junji Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Elastic member and image forming apparatus comprising the same
Publication number
20030147676
Publication date
Aug 7, 2003
Bridgestone Corporation
Junji Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Elastic member and image formation equipment
Publication number
20020091170
Publication date
Jul 11, 2002
Bridgestone Corporation
Junji Sakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Toner supply roller and developing apparatus
Publication number
20010036376
Publication date
Nov 1, 2001
Bridgestone Corporation
Hirotaka Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electroconductive elastic member, elastic member and image formatio...
Publication number
20010003757
Publication date
Jun 14, 2001
Bridgestone Corporation
Junji Sakata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...