Inventor · disambiguated record
Yuji Sawai
Also filed as: SAWAI YUJI
10 granted patents·1 pending application·400 citations·filing 1979–2002
92Inventor score
Files withRICOH KK10
Top patents by PatentIndex Score
11 records- 0196US6405002B2Image formation apparatusRICOH KK·Filed 2001·Granted Jun 11, 2002·75 cites·12 claims
- 0293US4254201APressure sensitive adhesive toner of clustered encapsulated porous particles for use in electrostatic photographyRICOH KK·Filed 1979·Granted Mar 3, 1981·115 cites·11 claims
- 0391US4975748AMethod of removing a film from an image carrierRICOH KK·Filed 1989·Granted Dec 4, 1990·40 cites·13 claims
- 0489US5890030AElectrostatic image forming apparatusRICOH KK·Filed 1996·Granted Mar 30, 1999·42 cites·25 claims
- 0585US5003354AMethod of removing a film from an image carrier of an image forming apparatusRICOH KK·Filed 1989·Granted Mar 26, 1991·30 cites·17 claims
- 0681US4989043AColor-balance control methodRICOH KK·Filed 1989·Granted Jan 29, 1991·25 cites·3 claims
- 0777US6163661AElectrostatic image forming apparatus capable of reducing defective image transfer caused by free toner particles deposited on a corona dischargerRICOH KK·Filed 1998·Granted Dec 19, 2000·23 cites·6 claims
- 0872US5208211AImage-receiving sheet for electrophotography and electrophotographic method using the sameRICOH KK·Filed 1991·Granted May 4, 1993·19 cites·13 claims
- 0962US5410339AImage forming apparatusRICOH KK·Filed 1993·Granted Apr 25, 1995·20 cites·9 claims
- 1055US5057873AMethod of cleaning a transfer drum of an electrophotographic apparatusRICOH KK·Filed 1990·Granted Oct 15, 1991·11 cites·10 claims
- 1137US2003118359A1Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer deviceFiled 2002·Application pending·0 cites
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