Hidetoshi Katsura

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of lighting for colored shadows
- Patent number 4,233,654
- Issue date Nov 11, 1980
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tsuchihashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of lighting for colored shadows
- Patent number 4,138,714
- Issue date Feb 6, 1979
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tsuchihashi
Information Patent Grant
Method of lighting for colored shadows
- Patent number 4,125,888
- Issue date Nov 14, 1978
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tsuchihashi
Information Patent Grant
Method of mixed illumination
- Patent number 4,120,026
- Issue date Oct 10, 1978
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tsuchihashi