Shigeki Yamada

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic toner
- Patent number 5,240,805
- Issue date Aug 31, 1993
- Mita Industrial Co., Ltd.
- Hidenori Asada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic developer for electrophotography
- Patent number 5,232,806
- Issue date Aug 3, 1993
- Mita Industrial Co., Ltd.
- Shigeki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY