Hidefumi Gohhara

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Numazu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developing device for an image forming apparatus and toner cartridge
- Patent number 5,659,860
- Issue date Aug 19, 1997
- Ricoh Company, Ltd.
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for dry two-component developer and method of producing the...
- Patent number 5,652,079
- Issue date Jul 29, 1997
- Ricoh Company, Ltd.
- Satoshi Mochizuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic dry toner
- Patent number 5,554,478
- Issue date Sep 10, 1996
- Ricoh Company, Ltd.
- Shinichi Kuramoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer for developing latent electrostatic images
- Patent number 5,403,690
- Issue date Apr 4, 1995
- Ricoh Company, Ltd.
- Shinichi Kuramoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY