Ikuo Soma

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable magnification copying apparatus
- Patent number 4,335,953
- Issue date Jun 22, 1982
- Canon Kabushiki Kaisha
- Hiroaki Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming process and apparatus therefor
- Patent number 4,299,902
- Issue date Nov 10, 1981
- Canon Kabushiki Kaisha
- Ikuo Soma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wet type electrophotographic apparatus
- Patent number 4,161,361
- Issue date Jul 17, 1979
- Canon Kabushiki Kaisha
- Ikuo Soma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotography apparatus with downtime control circuitry
- Patent number 4,141,646
- Issue date Feb 27, 1979
- Canon Kabushiki Kaisha
- Ikuo Soma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY