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CHIHARU KABURAGI
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CHINO-SHI, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Video signal processing circuit, video display and electronic equip...
Patent number
6,452,526
Issue date
Sep 17, 2002
Seiko Epson Corporation
Takahiro Sagawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Electro-optical device, electronic equipment, and method of driving...
Patent number
6,307,681
Issue date
Oct 23, 2001
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Digital gamma correction circuit, gamma correction method, and a li...
Patent number
6,160,532
Issue date
Dec 12, 2000
Seiko Epson Corporation
Chiharu Kaburagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Touch panel input device and control method thereof
Patent number
5,638,093
Issue date
Jun 10, 1997
Seiko Epson Corporation
Eizo Takahashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Head positioning control for a spindle motor disk drive
Patent number
5,184,257
Issue date
Feb 2, 1993
Seiko Epson Corporation
Yoshiro Koga
G11 - INFORMATION STORAGE
Information
Patent Grant
Head positioning control for a spindle motor disk drive
Patent number
5,023,733
Issue date
Jun 11, 1991
Seiko Epson Corporation
Yoshiro Koga
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
IMAGE SIGNAL PROCESSING CIRCUT, IMAGE DISPLAY APPARATUS AND ELECTRO...
Publication number
20010040519
Publication date
Nov 15, 2001
TAKAHIRO SAGAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE