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Yoshifumi Tsunekawa
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Chino-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal display with capacitive light shield between data li...
Patent number
7,268,843
Issue date
Sep 11, 2007
Seiko Epson Corporation
Hidenori Kawata
G02 - OPTICS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
7,253,795
Issue date
Aug 7, 2007
Seiko Epson Corporation
Yoshifumi Tsunekawa
G02 - OPTICS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
7,161,193
Issue date
Jan 9, 2007
Seiko Epson Corporation
Hidenori Kawata
G02 - OPTICS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
6,835,955
Issue date
Dec 28, 2004
Seiko Epson Corporation
Takunori Iki
G02 - OPTICS
Information
Patent Grant
Semiconductor laser having an active layer and cladding layer
Patent number
4,856,013
Issue date
Aug 8, 1989
Seiko Epson Corporation
Hideaki Iwano
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Electro-optical device and electronic apparatus
Publication number
20050199889
Publication date
Sep 15, 2005
SEIKO EPSON CORPORATION
Hidenori Kawata
G02 - OPTICS
Information
Patent Application
Electro-optical device and electronic apparatus
Publication number
20040145541
Publication date
Jul 29, 2004
SEIKO EPSON CORPORATION
Takunori Iki
G02 - OPTICS
Information
Patent Application
Electro-optical device and electronic apparatus
Publication number
20040141130
Publication date
Jul 22, 2004
SEIKO EPSON CORPORATION
Hidenori Kawata
G02 - OPTICS
Information
Patent Application
Electro-optical device and electronic apparatus
Publication number
20040135940
Publication date
Jul 15, 2004
SEIKO EPSON CORPORATION
Yoshifumi Tsunekawa
G02 - OPTICS