Kyota Koetuka

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developing device and developing roller therefor
- Patent number 6,112,042
- Issue date Aug 29, 2000
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and developing roller therefor
- Patent number 6,070,038
- Issue date May 30, 2000
- Ricoh Company, Ltd.
- Tsuyoshi Imamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cylindrical structural body for use in an image forming apparatus a...
- Patent number 5,970,294
- Issue date Oct 19, 1999
- Ricoh Company, Ltd.
- Kenji Narita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL