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Shuhei Yamada
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Chino, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal apparatus and electronic device
Patent number
10,948,783
Issue date
Mar 16, 2021
Seiko Epson Corporation
Shuhei Yamada
G02 - OPTICS
Information
Patent Grant
Electro-optical device, manufacturing method thereof, and electroni...
Patent number
10,859,814
Issue date
Dec 8, 2020
Seiko Epson Corporation
Terunao Hanaoka
G02 - OPTICS
Information
Patent Grant
Liquid crystal apparatus and electronic equipment
Patent number
10,026,370
Issue date
Jul 17, 2018
Seiko Epson Corporation
Shuhei Yamada
G02 - OPTICS
Information
Patent Grant
Liquid crystal device with controlled thicknesses ratio of inorgani...
Patent number
8,634,048
Issue date
Jan 21, 2014
Seiko Epson Corporation
Shuhei Yamada
G02 - OPTICS
Information
Patent Grant
Liquid crystal device and projector
Patent number
8,456,604
Issue date
Jun 4, 2013
Seiko Epson Corporation
Shuhei Yamada
G02 - OPTICS
Information
Patent Grant
Electrooptic device and electronic device
Patent number
8,223,287
Issue date
Jul 17, 2012
Seiko Epson Corporation
Takehiro Ono
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Fuel cell and process for the production thereof
Patent number
7,390,588
Issue date
Jun 24, 2008
Seiko Epson Corporation
Shuhei Yamada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Light source device, method for manufacturing light source device,...
Patent number
7,360,903
Issue date
Apr 22, 2008
Seiko Epson Corporation
Shuhei Yamada
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Testing method and testing apparatus for liquid crystal panel
Patent number
7,307,444
Issue date
Dec 11, 2007
Seiko Epson Corporation
Kazushige Umetsu
G01 - MEASURING TESTING
Information
Patent Grant
Light source unit and projector
Patent number
7,108,400
Issue date
Sep 19, 2006
Seiko Epson Corporation
Shuhei Yamada
F21 - LIGHTING
Information
Patent Grant
Alignment film, method for fabricating the alignment film, liquid c...
Patent number
6,844,905
Issue date
Jan 18, 2005
Seiko Epson Corporation
Shuhei Yamada
G02 - OPTICS
Information
Patent Grant
Polymer dispersed liquid crystal electro-optical device and method...
Patent number
6,046,791
Issue date
Apr 4, 2000
Seiko Epson Corporation
Hidekazu Kobayashi
G02 - OPTICS
Information
Patent Grant
Liquid crystal display with mutually oriented and dispersed birefri...
Patent number
6,025,895
Issue date
Feb 15, 2000
Seiko Epson Corporation
Masayuki Yazaki
G02 - OPTICS
Information
Patent Grant
Liquid crystal composite material and liquid crystal display device...
Patent number
5,972,240
Issue date
Oct 26, 1999
Seiko Epson Corporation
Hidekazu Kobayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid crystal display device and method for producing such
Patent number
5,872,607
Issue date
Feb 16, 1999
Seiko Epson Corporation
Masayuki Yazaki
G02 - OPTICS
Information
Patent Grant
Polymer dispersed liquid crystal display device and method of produ...
Patent number
5,867,237
Issue date
Feb 2, 1999
Seiko Epson Corporation
Masayuki Yazaki
G02 - OPTICS
Information
Patent Grant
Liquid crystal element and electronic apparatus
Patent number
5,453,864
Issue date
Sep 26, 1995
Seiko Epson Corporation
Shuhei Yamada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tolan derivative, liquid crystal composition containing the derivat...
Patent number
5,437,815
Issue date
Aug 1, 1995
Seiko Epson Corporation
Shuhei Yamada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tolane derivatives, liquid crystal compositions containing the deri...
Patent number
5,356,558
Issue date
Oct 18, 1994
Seiko Epson Corporation
Shuhei Yamada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tolan derivatives, liquid crystal compositions including same, liqu...
Patent number
5,314,640
Issue date
May 24, 1994
Seiko Epson Corporation
Shuhei Yamada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrimidine derivatives and liquid crystal compositions including same
Patent number
5,200,110
Issue date
Apr 6, 1993
Seiko Epson Corporation
Tsuyoshi Obikawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrimidine derivatives
Patent number
5,030,382
Issue date
Jul 9, 1991
Seiko Epson Corporation
Shuhei Yamada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrimidine derivatives
Patent number
4,883,609
Issue date
Nov 28, 1989
Seiko Epson Corporation
Shuhei Yamada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-phenylpyridine derivatives and liquid crystal compositions includ...
Patent number
4,879,060
Issue date
Nov 7, 1989
Seiko Epson Kabushiki Kaisha
Yoshio Shionozaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-phenylpyridine derivatives
Patent number
4,723,018
Issue date
Feb 2, 1988
Seiko Epson Corporation
Yoshio Shionozaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-phenylpyridine derivatives and liquid crystal compositions includ...
Patent number
4,684,220
Issue date
Aug 4, 1987
Seiko Epson Kabushiki Kaisha
Yoshio Shionozaki
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
LIQUID CRYSTAL APPARATUS AND ELECTRONIC DEVICE
Publication number
20200363668
Publication date
Nov 19, 2020
SEIKO EPSON CORPORATION
Shuhei YAMADA
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE, MANUFACTURING METHOD THEREOF, AND ELECTRONI...
Publication number
20170315344
Publication date
Nov 2, 2017
SEIKO EPSON CORPORATION
Terunao HANAOKA
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL APPARATUS AND ELECTRONIC EQUIPMENT
Publication number
20170124966
Publication date
May 4, 2017
SEIKO EPSON CORPORATION
Shuhei YAMADA
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE, MANUFACTURING METHOD THEREOF, AND ELECTRONI...
Publication number
20160282609
Publication date
Sep 29, 2016
SEIKO EPSON CORPORATION
Terunao HANAOKA
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND METHOD OF MANUFACTURING LIQUID CRYSTAL DE...
Publication number
20110181822
Publication date
Jul 28, 2011
SEIKO EPSON CORPORATION
Shuhei YAMADA
G02 - OPTICS
Information
Patent Application
ELECTROOPTIC DEVICE AND ELECTRONIC DEVICE
Publication number
20080158118
Publication date
Jul 3, 2008
SEIKO EPSON CORPORATION
Takehiro ONO
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND PROJECTOR
Publication number
20070109236
Publication date
May 17, 2007
SEIKO EPSON CORPORATION
Shuhei YAMADA
G02 - OPTICS
Information
Patent Application
Testing method and testing apparatus for liquid crystal panel
Publication number
20060055931
Publication date
Mar 16, 2006
Kazushige Umetsu
G02 - OPTICS
Information
Patent Application
Light source unit and projector
Publication number
20050094397
Publication date
May 5, 2005
SEIKO EPSON CORPORATION
Shuhei Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light source device, method for manufacturing light source device,...
Publication number
20050046801
Publication date
Mar 3, 2005
SEIKO EPSON CORPORATION
Shuhei Yamada
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
System and method for manufacturing a fuel cell
Publication number
20040213902
Publication date
Oct 28, 2004
SEIKO EPSON CORPORATION
Yoshiharu Ajiki
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Fuel cell and process for the production thereof
Publication number
20040209152
Publication date
Oct 21, 2004
SEIKO EPSON CORPORATION
Shuhei Yamada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Alignment film, method for fabricating the alignment film, liquid c...
Publication number
20040080685
Publication date
Apr 29, 2004
SEIKO EPSON CORPORATION
Shuhei Yamada
G02 - OPTICS