Akinori Oka

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Yonago, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrostatic recording material
- Patent number 4,840,834
- Issue date Jun 20, 1989
- Oji Paper Co., Ltd.
- Yasuharu Onogi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Press fixing type electrostatic recording material
- Patent number 4,460,671
- Issue date Jul 17, 1984
- Oji Paper Co., Ltd.
- Tokuro Yasuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY