Tatuya Kobayashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process cartridge and multi-color image forming apparatus using same
- Patent number 4,924,267
- Issue date May 8, 1990
- Canon Kabushiki Kaisha
- Masao Yoshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 4,887,102
- Issue date Dec 12, 1989
- Canon Kabushiki Kaisha
- Masao Yoshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with plural developing devices
- Patent number 4,774,543
- Issue date Sep 27, 1988
- Canon Kabushiki Kaisha
- Masao Yoshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY