Mitsuaki Urakawa

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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
Method and apparatus for repetitively using a toner image carrier s...
- Patent number 6,150,066
- Issue date Nov 21, 2000
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus for repetitively using a toner image carrier
- Patent number 5,678,158
- Issue date Oct 14, 1997
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Device for removing a toner from a toner image carrier
- Patent number 5,463,447
- Issue date Oct 31, 1995
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY