Keizo Kawahara

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Ootsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photosensitive resin composition
- Patent number 5,424,172
- Issue date Jun 13, 1995
- Toyo Boseki Kabushiki Kaisha
- Masaru Nanpei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive resin composition
- Patent number 5,372,913
- Issue date Dec 13, 1994
- Toyo Boseki Kabushiki Kaisha
- Masaru Nanpei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process and apparatus for developing photopolymer plates
- Patent number 5,124,736
- Issue date Jun 23, 1992
- Toyo Boseki Kabushiki Kaisha
- Katsumasa Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flexographic cured printing plate comprising a chlorinated polymer...
- Patent number 4,946,752
- Issue date Aug 7, 1990
- Toyo Boseki Kabushiki Kaisha
- Akira Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Photosensitive resin composition
- Publication number 20010005569
- Publication date Jun 28, 2001
- Masaru Nanpei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY