Shiro Usui

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Toyohashi-shi, Aichi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for obtaining object-color component data
- Patent number 7,002,624
- Issue date Feb 21, 2006
- Minolta Co., Ltd.
- Fumiko Uchino
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for color gamut mapping
- Patent number 6,198,843
- Issue date Mar 6, 2001
- Toyo Ink Mfg. Co. Ltd.
- Shigeki Nakauchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color correcting method and apparatus
- Patent number 5,929,906
- Issue date Jul 27, 1999
- Usui; Shiro
- Yoshifumi Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color balance adjusting apparatus using a decorrelating neural network
- Patent number 5,351,079
- Issue date Sep 27, 1994
- Usui; Shiro
- Shiro Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color transformation method and apparatus for transforming physical...
- Patent number 5,185,850
- Issue date Feb 9, 1993
- Toyo Ink Mfg. Co., Ltd.
- Shiro Usui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital signal processing apparatus
- Patent number 4,701,874
- Issue date Oct 20, 1987
- NEC Corporation
- Takashi Akai
- G06 - COMPUTING CALCULATING COUNTING