Haruo Wakabayashi

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Asaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color modification utilizing two coefficients
- Patent number 5,278,640
- Issue date Jan 11, 1994
- Dai Nippon Insatsu Kabushiki Kaisha
- Masao Aizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for color modification adapted to represent the pictorial...
- Patent number 4,975,769
- Issue date Dec 4, 1990
- Dai Nippon Insatsu Kaushiki Kaisha
- Masao Aizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE