Hitoshi Hoshi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bias power source controller for an image forming apparatus
- Patent number 4,959,687
- Issue date Sep 25, 1990
- Ricoh Company, Ltd.
- Eiichi Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copier with a toner supply device
- Patent number 4,952,976
- Issue date Aug 28, 1990
- Ricoh Company, Ltd.
- Eiichi Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying machine equipped with a correction apparatus for draft
- Patent number 4,602,778
- Issue date Jul 29, 1986
- Ricoh Co., Ltd.
- Hiroshi Hirose
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL