Yoshio Katoh

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making image reproducing material having scratch improvment
- Patent number 4,740,450
- Issue date Apr 26, 1988
- Toyo Boseki Kabushiki Kaisha
- Nobuyuki Tamaoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dot-etchable image-containing element useful in lithographic mask f...
- Patent number 4,699,859
- Issue date Oct 13, 1987
- Toyo Boseki Kabushiki Kaisha
- Toshiaki Fujimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive resin composition
- Patent number 4,459,349
- Issue date Jul 10, 1984
- Toyo Boseki Kabushiki Kaisha
- Toshikiyo Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Image forming material and method
- Patent number 4,419,438
- Issue date Dec 6, 1983
- Toyo Boseki Kabushiki Kaisha
- Kuniomi Etoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY