Koichi Torizuka

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Nagaokakyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic photoconductive material and electrophotographic photorecep...
- Patent number 6,777,148
- Issue date Aug 17, 2004
- Mitsubishi Paper Mills Limited
- Tatsuya Kodera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reversible heat-sensitive recording material
- Patent number 5,498,772
- Issue date Mar 12, 1996
- Mitsubishi Paper Mills Limited
- Jun Maruyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making lithographic printing plate
- Patent number 5,198,324
- Issue date Mar 30, 1993
- Mitsubishi Paper Mills Limited
- Shigeru Iguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Negative type lithographic printing plate
- Patent number 4,693,955
- Issue date Sep 15, 1987
- Mitsubishi Paper Mills, Ltd.
- Koichi Torizuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Organic photoconductive material and electrophotographic photorecep...
- Publication number 20030148201
- Publication date Aug 7, 2003
- Tatsuya Kodera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY