Atsushi Arai

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Ichikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fixing apparatus
- Patent number RE36124
- Issue date Mar 2, 1999
- Ricoh Company, Ltd.
- Hiroshi Yokoyama
- 399 - Electrophotography
Information Patent Grant
Fixing apparatus
- Patent number 5,300,996
- Issue date Apr 5, 1994
- Ricoh Company, Ltd.
- Hiroshi Yokoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Temperature control method for a fixing device
- Patent number 5,287,155
- Issue date Feb 15, 1994
- Ricoh Company, Ltd.
- Atsushi Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying paper processing apparatus
- Patent number 5,060,922
- Issue date Oct 29, 1991
- Ricoh Company, Ltd.
- Mitsuo Shibusawa
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Fixing apparatus having sheet separator pawls for image forming app...
- Patent number 5,053,830
- Issue date Oct 1, 1991
- Ricoh Company, Ltd.
- Atsushi Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of controlling a fixing unit of an image forming apparatus
- Patent number 4,878,092
- Issue date Oct 31, 1989
- Ricoh Company, Ltd.
- Atsushi Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY