Hiroshi Katakura

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Hachioji, JA

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Patents Grantslast 30 patents

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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
Information Patent Grant
Control circuit used in development of electrostatic latent images...
- Patent number 3,990,394
- Issue date Nov 9, 1976
- Konishiroku Photo Industry Co., Ltd.
- Hiroshi Katakura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY