Keitaro Yamashita

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Kamisato, JA

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Patents Grantslast 30 patents

Information Patent Grant
Developing device for use in electrophotography
- Patent number 4,041,903
- Issue date Aug 16, 1977
- Konishiroku Photo Industry Co., Ltd.
- Hiroshi Katakura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for use in electrophotography
- Patent number 4,008,686
- Issue date Feb 22, 1977
- Konishiroku Photo Industry Co., Ltd.
- Hiroshi Katakura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY