Kohei Michikawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-sensitive recording material
- Patent number 5,604,176
- Issue date Feb 18, 1997
- New Oji Paper Co., Ltd.
- Yoshihiro Shimizu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laser-sensitive electrophotographic material
- Patent number 4,879,195
- Issue date Nov 7, 1989
- Oji Paper Co., Ltd.
- Kunitaka Toyofuku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fat-desensitizing composition for litho printing plates comprising...
- Patent number 4,834,797
- Issue date May 30, 1989
- Oji Paper Company, Ltd.
- Kunitaka Toyofuku
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS