Inventor · disambiguated record
Haruo Iimura
Also filed as: IIMURA HARUO
31 granted patents·744 citations·filing 1987–2016
97Inventor score
Top patents by PatentIndex Score
31 records- 0195US5016988ALiquid crystal display device with a birefringent compensatorRICOH KK·Filed 1990·Granted May 21, 1991·154 cites·2 claims
- 0292US8923716B2Transfer device, image forming apparatus, and transfer methodNAKAMURA KEIGO·Filed 2011·Granted Dec 30, 2014·7 cites·34 claims
- 0392US8781348B2Transfer device and image forming apparatus incorporating sameOGINO YASUHIKO·Filed 2011·Granted Jul 15, 2014·9 cites·20 claims
- 0492US8712267B2Image forming apparatus and image forming methodSUGIMOTO NAOMI·Filed 2012·Granted Apr 29, 2014·7 cites·14 claims
- 0592US5250214ALiquid crystal color display device provided with a color filter film and an optical phase plate comprising liquid crystal polymerRICOH KK·Filed 1991·Granted Oct 5, 1993·88 cites·13 claims
- 0691US8909079B2Image forming apparatusAOKI SHINJI·Filed 2011·Granted Dec 9, 2014·7 cites·22 claims
- 0791US7662530B2Image forming apparatus and image forming methodRICOH KK·Filed 2006·Granted Feb 16, 2010·12 cites·16 claims
- 0890US8750736B2Image forming apparatus for obtaining good image quality over timeNAKAMURA KEIGO·Filed 2012·Granted Jun 10, 2014·6 cites·16 claims
- 0989US6284424B1Electrophotographic toner and image forming method and apparatus using the tonerRICOH KK·Filed 2000·Granted Sep 4, 2001·33 cites·19 claims
- 1088US8818221B2Transfer device and image forming apparatusOGINO YASUHIKO·Filed 2012·Granted Aug 26, 2014·5 cites·19 claims
- 1188US5380459ALiquid crystal display device with improved viewing angle dependence of colorRICOH KK·Filed 1991·Granted Jan 10, 1995·62 cites·9 claims
- 1287US9310722B2Image forming apparatus and image forming methodTANAKA SHINYA·Filed 2012·Granted Apr 12, 2016·3 cites·29 claims
- 1386US8045875B2Image forming apparatus and image forming method capable of generating stable transfer electric fieldRICOH CO LTD·Filed 2008·Granted Oct 25, 2011·8 cites·16 claims
- 1485US9020382B2Image forming apparatusAOKI SHINJI·Filed 2012·Granted Apr 28, 2015·3 cites·23 claims
- 1583US4984873ALiquid crystal display deviceRICOH KK·Filed 1988·Granted Jan 15, 1991·55 cites·1 claims
- 1681US5472635APhase plate and liquid crystal display using sameNIPPON OIL CO LTD·Filed 1994·Granted Dec 5, 1995·39 cites·2 claims
- 1779US9081335B2Transfer device with transfer voltage unit and image forming apparatus using the sameSUGIMOTO NAOMI·Filed 2012·Granted Jul 14, 2015·2 cites·19 claims
- 1879US8165481B2Image forming method and apparatus that detect an image densityIIMURA HARUO·Filed 2008·Granted Apr 24, 2012·7 cites·16 claims
- 1977US5184237ASuper-twisted nematic type liquid crystal display deviceRICOH KK·Filed 1991·Granted Feb 2, 1993·47 cites·15 claims
- 2077US5175638AECB type liquid crystal display device having birefringent layer with equal refractive indexes in the thickness and plane directionsRICOH KK·Filed 1992·Granted Dec 29, 1992·48 cites·4 claims
- 2175US5056896ALiquid crystal display device with dielectric anisotropyRICOH KK·Filed 1989·Granted Oct 15, 1991·36 cites·5 claims
- 2272US5150237ALiquid crystal display elementRICOH KK·Filed 1990·Granted Sep 22, 1992·38 cites·8 claims
- 2370US5243451ADAP type liquid crystal device with cholesteric liquid crystal birefringent layerRICOH KK·Filed 1993·Granted Sep 7, 1993·35 cites·8 claims
- 2464US10088781B2Image forming apparatus and image forming methodRICOH CO LTD·Filed 2016·Granted Oct 2, 2018·0 cites·24 claims
- 2562US9563153B2Image forming apparatus and image forming methodRICOH CO LTD·Filed 2016·Granted Feb 7, 2017·0 cites·12 claims
- 2661US9285723B2Image forming apparatus and image forming methodSUGIMOTO NAOMI·Filed 2014·Granted Mar 15, 2016·0 cites·20 claims
- 2760US5595852AOrganosilicon compound, producing method thereof and toner and dry-type developer using the sameRICOH KK·Filed 1995·Granted Jan 21, 1997·14 cites·18 claims
- 2859USRE47726EImage forming apparatusRICOH CO LTD·Filed 2016·Granted Nov 12, 2019·0 cites·32 claims
- 2959US4818074AProjection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefromRICOH KK·Filed 1987·Granted Apr 4, 1989·19 cites·8 claims
- 3056US9335674B2Transfer device with transfer voltage unit and image forming apparatus using the sameSUGIMOTO NAOMI·Filed 2015·Granted May 10, 2016·0 cites·17 claims
- 3146US9658579B2Image forming apparatus including a transfer bias output deviceNAKAMURA KEIGO·Filed 2015·Granted May 23, 2017·0 cites·8 claims
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