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Ryo Ishii
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Nagano, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electro-optic device, driving method, and electronic apparatus
Patent number
8,212,800
Issue date
Jul 3, 2012
Seiko Epson Corporation
Ryo Ishii
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Coordinate input device and display device
Patent number
8,159,471
Issue date
Apr 17, 2012
Seiko Epson Corporation
Sumio Utsunomiya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Surface acoustic wave touch panel, electrooptical device, and elect...
Patent number
7,952,568
Issue date
May 31, 2011
Sony Corporation
Ryo Ishii
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pixel circuit having flip-flop with inverter and feedback transisto...
Patent number
7,952,060
Issue date
May 31, 2011
Seiko Epson Corporation
Kenya Watanabe
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Sensing circuit, optical detection circuit, display device, and ele...
Patent number
7,805,272
Issue date
Sep 28, 2010
Seiko Epson Corporation
Ryo Ishii
G01 - MEASURING TESTING
Information
Patent Grant
Electro-optical device having both partial and entire screen displa...
Patent number
7,639,245
Issue date
Dec 29, 2009
Epson Imaging Devices Corporation
Koji Shimizu
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of driving electro-optical apparatus, drive circuit for elec...
Patent number
7,167,190
Issue date
Jan 23, 2007
Seiko Epson Corporation
Akihiko Ito
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method and circuit for driving electro-optical device, electro-opti...
Patent number
7,088,325
Issue date
Aug 8, 2006
Seiko Epson Corporation
Ryo Ishii
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Driving method for driving electro-optical device, driving circuit,...
Patent number
6,989,824
Issue date
Jan 24, 2006
Seiko Epson Corporation
Ryo Ishii
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electrooptic device and electronic apparatus
Patent number
6,940,482
Issue date
Sep 6, 2005
Seiko Epson Corporation
Ryo Ishii
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method for driving electrooptical device, driving circuit, and elec...
Patent number
6,873,319
Issue date
Mar 29, 2005
Seiko Epson Corporation
Akira Inoue
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal panel and manufacturing method for the same
Patent number
6,750,836
Issue date
Jun 15, 2004
Seiko Epson Corporation
Shigenori Katayama
G02 - OPTICS
Information
Patent Grant
Electro-optical device, method of manufacturing same, projector and...
Patent number
6,720,944
Issue date
Apr 13, 2004
Seiko Epson Corporation
Ryo Ishii
G02 - OPTICS
Information
Patent Grant
Electrooptic device and electronic equipment
Patent number
6,636,194
Issue date
Oct 21, 2003
Seiko Epson Corporation
Ryo Ishii
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
ELECTRO-OPTIC DEVICE, DRIVING METHOD, AND ELECTRONIC APPARATUS
Publication number
20090278829
Publication date
Nov 12, 2009
SEIKO EPSON CORPORATION
Ryo ISHII
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
PIXEL CIRCUIT, ELECTRO-OPTICAL DEVICE OF DIGITAL DRIVING TYPE, AND...
Publication number
20090212200
Publication date
Aug 27, 2009
SEIKO EPSON CORPORATION
Kenya WATANABE
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
ELECTRO-OPTICAL DEVICE, METHOD OF DRIVING ELECTRO-OPTICAL DEVICE, A...
Publication number
20090213100
Publication date
Aug 27, 2009
SEIKO EPSON CORPORATION
Kenya WATANABE
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
SENSING CIRCUIT, OPTICAL DETECTION CIRCUIT, DISPLAY DEVICE, AND ELE...
Publication number
20080319695
Publication date
Dec 25, 2008
SEIKO EPSON CORPORATION
Ryo ISHII
G01 - MEASURING TESTING
Information
Patent Application
COORDINATE INPUT DEVICE AND DISPLAY DEVICE
Publication number
20080259044
Publication date
Oct 23, 2008
SEIKO EPSON CORPORATION
Sumio Utsunomiya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TOUCH PANEL, ELECTROOPTICAL DEVICE, AND ELECTRONIC APPARATUS
Publication number
20070176907
Publication date
Aug 2, 2007
SANYO EPSON IMAGING DEVICES CORPORATION
Ryo ISHII
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electro-Optical Device, Method of Driving Electro-Optical Device, a...
Publication number
20070024552
Publication date
Feb 1, 2007
SANYO EPSON IMAGING DEVICES CORPORATION
Koji Shimizu
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Key with display capability, display method, and display program
Publication number
20040027336
Publication date
Feb 12, 2004
SEIKO EPSON CORPORATION
Ryo Ishii
B60 - VEHICLES IN GENERAL
Information
Patent Application
Electrooptic device and electronic apparatus
Publication number
20030011552
Publication date
Jan 16, 2003
SEIKO EPSON CORPORATION
Ryo Ishii
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Method for driving electrooptical device, driving circuit, and elec...
Publication number
20020154104
Publication date
Oct 24, 2002
Akira Inoue
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Method and circuit for driving electro-optical device, electro-opti...
Publication number
20020036611
Publication date
Mar 28, 2002
SEIKO EPSON CORPORATION
Ryo Ishii
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Method of driving electro-optical apparatus, drive circuit for elec...
Publication number
20020036610
Publication date
Mar 28, 2002
SEIKO EPSON CORPORATION
Akihiko Ito
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS