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Yukio Koyanagi
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jouetsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image processing circuit
Patent number
7,034,885
Issue date
Apr 25, 2006
Niigata Seimitsu Co., Ltd.
Yukio Koyanagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Interpolation circuit
Patent number
6,894,966
Issue date
May 17, 2005
Niigata Seimitsu Co., Ltd.
Yukio Koyanagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital-to-analog converter with plural voltage holding sections, p...
Patent number
6,763,407
Issue date
Jul 13, 2004
Niigata Seimitsu Co., Ltd.
Yukio Koyanagi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Data interpolation method
Patent number
6,735,608
Issue date
May 11, 2004
Niigata Seimitsu Co., Ltd.
Yukio Koyanagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital to analog converter with step voltage generator for smoothi...
Patent number
6,411,238
Issue date
Jun 25, 2002
Niigata Seimitsu Co., Ltd.
Yukio Koyanagi
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
Image processing circuit
Publication number
20060114354
Publication date
Jun 1, 2006
Yukio Koyanagi
G06 - COMPUTING CALCULATING COUNTING