Masayoshi Watanuki

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image reading apparatus
- Patent number 5,949,922
- Issue date Sep 7, 1999
- Ricoh Company, Ltd.
- Shinichiro Wada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus for smoothing edges of image
- Patent number 5,327,260
- Issue date Jul 5, 1994
- Ricoh Company, Ltd.
- Mutsuo Shimomae
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Black-and-white and color copier operable at different processing s...
- Patent number 5,010,372
- Issue date Apr 23, 1991
- Ricoh Company, Ltd.
- Nobuo Kasahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 4,766,463
- Issue date Aug 23, 1988
- Ricoh Company, Ltd.
- Masayoshi Watanuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY