Inventor · disambiguated record
Hiroyuki Matsushiro
Also filed as: MATSUSHIRO HIROYUKI
15 granted patents·835 citations·filing 1986–1999
95Inventor score
Top patents by PatentIndex Score
15 records- 0197US6163669AImage forming apparatusRICOH KK·Filed 1999·Granted Dec 19, 2000·117 cites·42 claims
- 0296US5565973ARotary developing device for an image forming apparatusRICOH KK·Filed 1995·Granted Oct 15, 1996·106 cites·11 claims
- 0396US4835565AImage developing device for electrophotographyRICOH KK·Filed 1987·Granted May 30, 1989·153 cites·1 claims
- 0492US5440373AColor image forming apparatusRICOH KK·Filed 1994·Granted Aug 8, 1995·51 cites·11 claims
- 0591US5887228AColor image forming apparatus including process cartridgeRICOH KK·Filed 1996·Granted Mar 23, 1999·55 cites·20 claims
- 0691US5655193ADeveloping device for image forming apparatus with toner recirculation operationRICOH KK·Filed 1995·Granted Aug 5, 1997·60 cites·7 claims
- 0787US5797069ADeveloping device for image forming apparatusRICOH KK·Filed 1996·Granted Aug 18, 1998·43 cites·14 claims
- 0887US5515145AColor image forming apparatus having integral multiple length beltRICOH KK·Filed 1993·Granted May 7, 1996·36 cites·8 claims
- 0985US4755847AElectrostatic latent image developing apparatusRICOH KK·Filed 1986·Granted Jul 5, 1988·29 cites·30 claims
- 1080US5360977ACompound type microscopeNIKON CORP·Filed 1992·Granted Nov 1, 1994·52 cites·35 claims
- 1175US5671465AImage forming apparatus having a revolver type developing deviceRICOH KK·Filed 1995·Granted Sep 23, 1997·26 cites·23 claims
- 1273US5508517AScanning probe type microscope apparatusNIKON CORP·Filed 1995·Granted Apr 16, 1996·46 cites·13 claims
- 1370US4710015ADeveloping apparatusRICOH KK·Filed 1986·Granted Dec 1, 1987·16 cites·2 claims
- 1463US5317153AScanning probe microscopeNIKON CORP·Filed 1992·Granted May 31, 1994·25 cites·15 claims
- 1556US5276324AComposite scanning tunneling microscopeNIKON CORP·Filed 1992·Granted Jan 4, 1994·20 cites·9 claims
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