Tetsuji Watanabe

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sheet folder with turnover and pressing device
- Patent number 6,712,349
- Issue date Mar 30, 2004
- Ricoh Company, Ltd.
- Tetsuji Watanabe
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet punch device and a sheet punch method
- Patent number 6,305,262
- Issue date Oct 23, 2001
- Ricoh Company, Ltd.
- Tetsuji Watanabe
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Sheet processing apparatus with open/close switchable sheet dischar...
- Patent number 6,305,681
- Issue date Oct 23, 2001
- Ricoh Company, Ltd.
- Tetsuji Watanabe
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Movable finisher device with multiple stack gripping fingers
- Patent number 5,447,298
- Issue date Sep 5, 1995
- Ricoh Company, Ltd.
- Tetsuji Watanabe
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
Sheet processing apparatus, sheet processing system, and sheet proc...
- Publication number 20020033569
- Publication date Mar 21, 2002
- Ricoh Company, Ltd.
- Tetsuji Watanabe
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL