Hiromi Washio

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic apparatus with variable bias voltage
- Patent number 4,990,961
- Issue date Feb 5, 1991
- Sharp Kabushiki Kaisha
- Yukihiko Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of detecting, analyzing and display...
- Patent number 4,943,834
- Issue date Jul 24, 1990
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color copier operable both in monochromatic and full-color copying...
- Patent number 4,935,787
- Issue date Jun 19, 1990
- Sharp Kabushiki Kaisha
- Yasutaka Maeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY