Inventor · disambiguated record
Masaru Tsuji
Also filed as: TSUJI MASARU
35 granted patents·559 citations·filing 1984–2015
97Inventor score
Top patents by PatentIndex Score
35 records- 0192US5177539ADeveloping deviceSHARP KK·Filed 1991·Granted Jan 5, 1993·44 cites·4 claims
- 0292US4925062APaper feederSHARP KK·Filed 1988·Granted May 15, 1990·43 cites·7 claims
- 0391US5316621AMethod of pulping waste pressure-sensitive adhesive paperKANZAKI PAPER MFG CO LTD·Filed 1991·Granted May 31, 1994·64 cites·20 claims
- 0490US8870179B2Paper feed device and image forming apparatus provided with the sameSHARP KK·Filed 2012·Granted Oct 28, 2014·8 cites·26 claims
- 0589US6209864B1Sheet post-processing apparatusSHARP KK·Filed 1999·Granted Apr 3, 2001·43 cites·27 claims
- 0687US5499089AToner image fixing device with deformable cylinderSHARP KK·Filed 1994·Granted Mar 12, 1996·34 cites·8 claims
- 0785US5680651ADuplex printing apparatusSHARP KK·Filed 1996·Granted Oct 21, 1997·41 cites·16 claims
- 0885US5528351AToner image fixing device with flat paper-guiding memberSHARP KK·Filed 1995·Granted Jun 18, 1996·37 cites·4 claims
- 0984US6219498B1Image forming apparatus having improved image transfer characteristicsSHARP KK·Filed 2000·Granted Apr 17, 2001·21 cites·10 claims
- 1081US8714542B2Feeder and image forming apparatus provided with the feederSHARP KK·Filed 2012·Granted May 6, 2014·4 cites·22 claims
- 1181US5367366ACorona charger for image forming apparatus providing uniform surface charge of a recording mediumSHARP KK·Filed 1993·Granted Nov 22, 1994·29 cites·7 claims
- 1280US7677561B2Transport roller, transport mechanism, and image forming apparatusSHARP KK·Filed 2007·Granted Mar 16, 2010·6 cites·11 claims
- 1379US6486760B2Electromagnetic relayMATSUSHITA ELECTRIC WORKS LTD·Filed 1999·Granted Nov 26, 2002·39 cites·24 claims
- 1479US5347343APhotosensitive drum cartridge and an image forming apparatus using the sameSHARP KK·Filed 1993·Granted Sep 13, 1994·26 cites·4 claims
- 1578US7735402B2Punching apparatusSHARP KK·Filed 2007·Granted Jun 15, 2010·10 cites·8 claims
- 1678US5017962AImage forming apparatus with process-cartridgesSHARP KK·Filed 1989·Granted May 21, 1991·21 cites·2 claims
- 1770US4933724AFixing device for electrophotographySHARP KK·Filed 1989·Granted Jun 12, 1990·15 cites·5 claims
- 1866US8488137B2Image forming apparatus provided with post-processing deviceMATSUMOTO YOSHITAKA·Filed 2010·Granted Jul 16, 2013·1 cites·7 claims
- 1965US8002273B2Paper discharge apparatus, post-processing apparatus, and image forming apparatusSHARP KK·Filed 2009·Granted Aug 23, 2011·2 cites·12 claims
- 2065US4618247APhotoreceptor pre-initializing electrophotographic copying machineSHARP KK·Filed 1984·Granted Oct 21, 1986·12 cites·3 claims
- 2161US7548722B2Switchback transport mechanism and image forming apparatus provided therewithSHARP KK·Filed 2006·Granted Jun 16, 2009·2 cites·6 claims
- 2258US8038146B2Post-processing device and image forming apparatus provided with the sameSHARP KK·Filed 2010·Granted Oct 18, 2011·1 cites·10 claims
- 2358US6044236AImage forming apparatus having improved image transfer characteristicsSHARP KK·Filed 1998·Granted Mar 28, 2000·11 cites·33 claims
- 2451US4802439APressure applying mechanism for fixing rollers of a copying apparatusSHARP KK·Filed 1987·Granted Feb 7, 1989·15 cites·1 claims
- 2548US7106998B2Fixing apparatus with guiding member for guiding releaserSHARP KK·Filed 2003·Granted Sep 12, 2006·3 cites·15 claims
- 2645US7618039B2Sheet detecting apparatus and image forming apparatusSHARP KK·Filed 2004·Granted Nov 17, 2009·1 cites·7 claims
- 2744US5790931AFixing deviceSHARP KK·Filed 1997·Granted Aug 4, 1998·7 cites·25 claims
- 2844US5412213ACharger for performing a corona dischargeSHARP KK·Filed 1993·Granted May 2, 1995·6 cites·4 claims
- 2943US9079734B2Paper feeding device and image forming deviceSHARP KK·Filed 2012·Granted Jul 14, 2015·0 cites·20 claims
- 3041US8366100B2Discharge tray apparatusSHARP KK·Filed 2008·Granted Feb 5, 2013·0 cites·8 claims
- 3140USRE46846EImage forming apparatus provided with post-processing deviceSHARP KK·Filed 2015·Granted May 15, 2018·0 cites·13 claims
- 3238US5436431AToner image fixing device having improved lamp heaterSHARP KK·Filed 1994·Granted Jul 25, 1995·9 cites·4 claims
- 3337US7409183B2Releasing agent applying mechanism, fixing device, and printing apparatusSHARP KK·Filed 2004·Granted Aug 5, 2008·0 cites·34 claims
- 3436US4840300APaper conveying roller for image forming apparatusSHARP KK·Filed 1987·Granted Jun 20, 1989·3 cites·4 claims
- 3531US4746957AVariable magnification copy machineSHARP KK·Filed 1986·Granted May 24, 1988·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →