Tadao Yoyama

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-sensitive O-quinone diazide containing copying material
- Patent number 4,217,407
- Issue date Aug 12, 1980
- Fuji Photo Film Co., Ltd.
- Masaru Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positive working O-quinone diazide photocopying process with organi...
- Patent number 4,207,106
- Issue date Jun 10, 1980
- Fuji Photo Film Co., Ltd.
- Masaru Odawara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive O-quinone diazide containing copying material
- Patent number 4,197,128
- Issue date Apr 8, 1980
- Fuji Photo Film Co., Ltd.
- Masaru Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY