Junichi Hirasawa

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Hiratasuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Improved paper handling mechanism in conjunction with image forming...
- Patent number 4,926,219
- Issue date May 15, 1990
- Ricoh Company, Ltd.
- Junichi Hirasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device for electrostatic recording apparatus having a...
- Patent number 4,866,482
- Issue date Sep 12, 1989
- Ricoh Company, Ltd.
- Junichi Hirasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ozone removing device
- Patent number 4,853,735
- Issue date Aug 1, 1989
- Ricoh Co., Ltd.
- Yutaka Kodama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical recording head and belt positioning apparatus
- Patent number 4,703,334
- Issue date Oct 27, 1987
- Ricoh Company, Ltd.
- Hideaki Mochimaru
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS