Tetsuo Yamaoka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recycling system and recycling method
- Patent number 6,529,788
- Issue date Mar 4, 2003
- Ricoh Company, Ltd.
- Tatsuo Tani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Toner collecting and reusing device for use in an image forming app...
- Patent number 6,108,511
- Issue date Aug 22, 2000
- Ricoh Company, Ltd.
- Akio Kutsuwada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY