Sotohiro Tsujihara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fixing device and method having a shield member for cutting off air...
- Patent number 6,393,246
- Issue date May 21, 2002
- Ricoh Company, Ltd.
- Sotohiro Tsujihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of and an apparatus for removing image forming substance fro...
- Patent number 6,080,255
- Issue date Jun 27, 2000
- Ricoh Company, Ltd.
- Masaru Shinkai
- B08 - CLEANING
Information Patent Grant
Method of recycling image supporting material and apparatus thereof
- Patent number 5,968,301
- Issue date Oct 19, 1999
- Ricoh Company, Ltd.
- Kakuji Murakami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of and an apparatus for removing image forming substance fro...
- Patent number 5,897,726
- Issue date Apr 27, 1999
- Ricoh Company, Ltd.
- Masaru Shinkai
- B08 - CLEANING
Information Patent Grant
Sheet reversing in copying machine and other sheet-handling machines
- Patent number 4,692,020
- Issue date Sep 8, 1987
- Ricoh Company, Ltd.
- Sotohiro Tsujihara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL