Hirofumi Nishiwaki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Printer driver program and printer
- Patent number 7,450,260
- Issue date Nov 11, 2008
- Ricoh Company, Ltd.
- Kenichi Takeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Printing control device and image processing apparatus using the same
- Patent number 6,847,470
- Issue date Jan 25, 2005
- Ricoh Company, Ltd.
- Hirofumi Nishiwaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Printer providing security for printout
- Patent number 5,602,973
- Issue date Feb 11, 1997
- Ricoh Company, Ltd.
- Hirofumi Nishiwaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus with a scanner and method of controlling th...
- Patent number 5,557,707
- Issue date Sep 17, 1996
- Ricoh Company, Ltd.
- Yoshiya Inoue
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Printer driver program and printer
- Publication number 20040184064
- Publication date Sep 23, 2004
- Kenichi TaKeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image formation apparatus and method, charge counting device, charg...
- Publication number 20030161002
- Publication date Aug 28, 2003
- Hirofumi Nishiwaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Printing control device and image processing apparatus using the same
- Publication number 20010021032
- Publication date Sep 13, 2001
- RICOH COMPANY, LTD.
- Hirofumi Nishiwaki
- G06 - COMPUTING CALCULATING COUNTING