Kazumasa Ohkawa

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Yohkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Layer electrophotographic sensitive member comprising morphous silicon
- Patent number 5,262,263
- Issue date Nov 16, 1993
- Kyocera Corporation
- Kazumasa Ohkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic sensitive member
- Patent number 4,906,546
- Issue date Mar 6, 1990
- Kyocera Corporation
- Takao Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic sensitive member with amorphous silicon carbide
- Patent number 4,882,252
- Issue date Nov 21, 1989
- Kyocera Corporation
- Takao Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY