Moriaki Ogawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sealing member which prevents contamination when removed and contai...
- Patent number 6,484,000
- Issue date Nov 19, 2002
- Ricoh Company, Ltd.
- Moriaki Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming unit therefor
- Patent number 6,256,465
- Issue date Jul 3, 2001
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number D418862
- Issue date Jan 11, 2000
- Ricoh Company, Inc.
- Moriaki Ogawa
- D18 - Printing and office machinery
Information Patent Grant
Developing unit housing with toner seals for image recording apparatus
- Patent number 5,212,521
- Issue date May 18, 1993
- Ricoh Company, Ltd.
- Moriaki Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY