Tooru Maruyama

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device for removing a substance deposited on a sheet
- Patent number 6,189,173
- Issue date Feb 20, 2001
- Ricoh Company, Ltd.
- Masatoshi Saito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for removing a substance deposited on a sheet
- Patent number 6,143,091
- Issue date Nov 7, 2000
- Ricoh Company, Ltd.
- Masatoshi Saito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Device for removing a substance deposited on a sheet
- Patent number 5,855,734
- Issue date Jan 5, 1999
- Ricoh Company, Ltd.
- Masatoshi Saito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for removing image forming substance from imag...
- Patent number 5,813,344
- Issue date Sep 29, 1998
- Ricoh Company, Ltd.
- Tooru Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for removing a substance deposited on a sheet
- Patent number 5,735,009
- Issue date Apr 7, 1998
- Ricoh Company, Ltd.
- Masatoshi Saito
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus for removing image forming substance from sheet and sheet...
- Patent number 5,534,063
- Issue date Jul 9, 1996
- Ricoh Company, Ltd.
- Tooru Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY