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Hirotaka Yamazaki
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Kodaira-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Information display panel
Patent number
8,582,198
Issue date
Nov 12, 2013
Bridgestone Corporation
Mitsuhiro Nishida
G02 - OPTICS
Information
Patent Grant
Method of manufacturing information display panel
Patent number
7,835,064
Issue date
Nov 16, 2010
Bridgestone Corporation
Yoshitomo Masuda
G02 - OPTICS
Information
Patent Grant
Image display device
Patent number
7,646,358
Issue date
Jan 12, 2010
Bridgestone Corporation
Reiji Hattori
G02 - OPTICS
Information
Patent Grant
Information display panel
Patent number
7,554,716
Issue date
Jun 30, 2009
Bridgestone Corporation
Shinichi Kita
G02 - OPTICS
Information
Patent Grant
Method of manufacturing image display panel, method of manufacturin...
Patent number
7,495,819
Issue date
Feb 24, 2009
Bridgestone Corporation
Ryou Sakurai
G02 - OPTICS
Information
Patent Grant
Image display panel and image display device
Patent number
7,483,202
Issue date
Jan 27, 2009
Bridgestone Corporation
Ryo Sakurai
G02 - OPTICS
Information
Patent Grant
Image display panel and image display device
Patent number
7,369,299
Issue date
May 6, 2008
Bridgestone Corporation
Ryo Sakurai
G02 - OPTICS
Information
Patent Grant
Particle use for image display media, image display panel using the...
Patent number
7,236,291
Issue date
Jun 26, 2007
Bridgestone Corporation
Norihiko Kaga
G02 - OPTICS
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
Paper feed roll and apparatus
Patent number
5,723,214
Issue date
Mar 3, 1998
Bridgestone Corporation
Hirotaka Yamazaki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Rubber composition
Patent number
5,376,700
Issue date
Dec 27, 1994
Bridgestone Corporation
Hirotaka Yamazaki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rubber composition
Patent number
5,162,395
Issue date
Nov 10, 1992
Bridgestone Corporation
Hirotaka Yamazaki
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION DISPLAY PANEL
Publication number
20120127561
Publication date
May 24, 2012
BRIDGESTONE CORPORATION
Mitsuhiro Nishida
G02 - OPTICS
Information
Patent Application
ELECTRONIC PAPER
Publication number
20110069374
Publication date
Mar 24, 2011
Hirotaka Yamazaki
G02 - OPTICS
Information
Patent Application
Method of manufacturing information display panel
Publication number
20090273826
Publication date
Nov 5, 2009
Bridgestone Corporation
Yoshitomo Masuda
G02 - OPTICS
Information
Patent Application
IMAGE DISPLAY PANEL AND IMAGE DISPLAY DEVICE
Publication number
20080174854
Publication date
Jul 24, 2008
Bridgestone Corporation
Ryo Sakurai
G02 - OPTICS
Information
Patent Application
Information display panel
Publication number
20070120815
Publication date
May 31, 2007
Bridgestone Corporation
Shinichi Kita
G02 - OPTICS
Information
Patent Application
Image displaying panel and image display unit
Publication number
20060263927
Publication date
Nov 23, 2006
Bridgestone Corporation
Ryo Sakurai
G02 - OPTICS
Information
Patent Application
Image display panel manufacturing method, image display device manu...
Publication number
20060231401
Publication date
Oct 19, 2006
Ryou Sakurai
G02 - OPTICS
Information
Patent Application
Image display device
Publication number
20060209008
Publication date
Sep 21, 2006
Bridgestone Corporation
Norio Nihei
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Particle used for image display medium, image display panel using s...
Publication number
20060146394
Publication date
Jul 6, 2006
Bridgestone Corporation
Norihiko Kaga
G02 - OPTICS
Information
Patent Application
Image display
Publication number
20060087489
Publication date
Apr 27, 2006
Ryou Sakurai
G02 - OPTICS
Information
Patent Application
Image display and method for manufacturing image display
Publication number
20060087479
Publication date
Apr 27, 2006
Bridgestone Corporation
Ryou Sakurai
G02 - OPTICS
Information
Patent Application
Image display device
Publication number
20050285500
Publication date
Dec 29, 2005
Reiji Hattori
G02 - OPTICS
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-...