Katsuhiko Watanabe

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-sensitive recording materials
- Patent number 4,975,353
- Issue date Dec 4, 1990
- Fuji Photo Film Co., Ltd.
- Katsuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat-sensitive recording material with diazonium salt and coupler p...
- Patent number 4,895,826
- Issue date Jan 23, 1990
- Fuji Photo Film Co., Ltd.
- Katsuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY