Shinji Tsuchiya

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Undercoating material for photosensitive resins
- Patent number 4,902,770
- Issue date Feb 20, 1990
- Tokyo Ohka Kogyo Co., Ltd.
- Wataru Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of preparing photoresist material with undercoating of photo...
- Patent number 4,702,992
- Issue date Oct 27, 1987
- Tokyo Ohka Kogyo Co., Ltd.
- Wataru Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY