Inventor · disambiguated record
Toshio Nakahara
Also filed as: NAKAHARA TOSHIO
7 granted patents·122 citations·filing 1987–1997
87Inventor score
Files withRICOH KK7
Top patents by PatentIndex Score
7 records- 0185US5619311ARoller charging apparatus and image forming apparatus using the sameRICOH KK·Filed 1994·Granted Apr 8, 1997·35 cites·33 claims
- 0279US5786091ACharge roller for an image forming apparatusRICOH KK·Filed 1995·Granted Jul 28, 1998·32 cites·6 claims
- 0372US5479243AImage forming apparatus and charging device thereofRICOH KK·Filed 1994·Granted Dec 26, 1995·24 cites·14 claims
- 0457US4835582ADevice for driving a photoconductive element of an electrophotographic copier etc.RICOH KK·Filed 1987·Granted May 30, 1989·10 cites·26 claims
- 0555US5057873AMethod of cleaning a transfer drum of an electrophotographic apparatusRICOH KK·Filed 1990·Granted Oct 15, 1991·11 cites·10 claims
- 0650US5689770AImage forming apparatus which maintains a temperature of a charge rollerRICOH KK·Filed 1995·Granted Nov 18, 1997·7 cites·15 claims
- 0736US5881344AImage forming apparatus and charging device thereofRICOH KK·Filed 1997·Granted Mar 9, 1999·3 cites·19 claims
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