Inventor · disambiguated record
Hiroshi Tamura
Also filed as: KATO MASAO · KATSUBE MASAYOSHI · SAITO TADASHI · TAMURA HIROSHI
215 granted patents·22 pending applications·4,850 citations·filing 1974–2022
99Inventor score
Files withRICOH KK51SEIKAGAKU KOGYO CO LTD27MURATA MANUFACTURING CO17FUJI PHOTO FILM CO LTD14TAMURA HIROSHI13
Top patents by PatentIndex Score
237 records- 0198US6326112B1Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptorRICOH KK·Filed 2000·Granted Dec 4, 2001·117 cites·18 claims
- 0298US6030733AElectrophotographic photoconductor with water vapor permeabilityRICOH KK·Filed 1999·Granted Feb 29, 2000·133 cites·2 claims
- 0398US5871876AElectrophotographic photoconductorRICOH KK·Filed 1997·Granted Feb 16, 1999·157 cites·11 claims
- 0498US5427880AElectrophotographic PhotoconductorRICOH KK·Filed 1994·Granted Jun 27, 1995·100 cites·19 claims
- 0598US5411827AElectrophotographic photoconductorRICOH KK·Filed 1993·Granted May 2, 1995·97 cites·9 claims
- 0697US6641964B2Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptorRICOH KK·Filed 2001·Granted Nov 4, 2003·80 cites·24 claims
- 0797US6151468AElectrophotographic photoconductorRICOH KK·Filed 1999·Granted Nov 21, 2000·105 cites·2 claims
- 0897US5564398ASimplified canister for prevention of atmospheric diffusion of fuel vapor from a vehicleNIPPON DENSO CO·Filed 1994·Granted Oct 15, 1996·118 cites·12 claims
- 0997US5496671AElectrophotographic photoconductorRICOH KK·Filed 1994·Granted Mar 5, 1996·81 cites·10 claims
- 1096US8888189B2Vehicle footrest systemTAMURA HIROSHI·Filed 2010·Granted Nov 18, 2014·31 cites·12 claims
- 1196US7416823B2Electrophotographic photoconductor, and image formation method, image formation apparatus, and process cartridge for image formation apparatus using the sameRICOH KK·Filed 2005·Granted Aug 26, 2008·27 cites·10 claims
- 1296US6790572B2Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptorRICOH KK·Filed 2001·Granted Sep 14, 2004·52 cites·37 claims
- 1396US4349617AFunction separated type electrophotographic light-sensitive members and process for production thereofFUJI PHOTO FILM CO LTD·Filed 1980·Granted Sep 14, 1982·68 cites·27 claims
- 1495US7361438B2Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the sameRICOH KK·Filed 2006·Granted Apr 22, 2008·19 cites·35 claims
- 1595US7179573B2Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the sameRICOH KK·Filed 2004·Granted Feb 20, 2007·46 cites·19 claims
- 1695US7175957B2Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the sameRICOH KK·Filed 2004·Granted Feb 13, 2007·49 cites·35 claims
- 1794US5840454AAromatic polycarbonate and electrophotographic photosensitive medium using sameRICOH KK·Filed 1996·Granted Nov 24, 1998·62 cites·15 claims
- 1894US5747204AElectrophotographic photoconductor and aromatic polycarbonate resin for use in the sameRICOH KK·Filed 1996·Granted May 5, 1998·56 cites·26 claims
- 1994US5322753AElectrophotographic photoconductor and acrylic acid ester polymer for use in the sameRICOH KK·Filed 1992·Granted Jun 21, 1994·42 cites·11 claims
- 2094US4694282ASecurity monitoring systemTOSHIBA KK·Filed 1985·Granted Sep 15, 1987·220 cites·20 claims
- 2193US5608010APolymers of acrylic acid ester derivatives having a triphenyl amine skeletonRICOH KK·Filed 1995·Granted Mar 4, 1997·42 cites·5 claims
- 2292US6844124B2Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptorRICOH KK·Filed 2003·Granted Jan 18, 2005·31 cites·9 claims
- 2392US4464640ADistribution constant type filterMURATA MANUFACTURING CO·Filed 1982·Granted Aug 7, 1984·47 cites·29 claims
- 2491US9896003B2Shoulder support adjuster and vehicle seatTOYOTA MOTOR CO LTD·Filed 2014·Granted Feb 20, 2018·17 cites·8 claims
- 2591US6858362B2Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptorRICOH KK·Filed 2003·Granted Feb 22, 2005·24 cites·20 claims
- 2691US5723243AElectrophotographic photoconductor and aromatic polycarbonate resin for use thereinRICOH KK·Filed 1996·Granted Mar 3, 1998·57 cites·44 claims
- 2790US11820454B2Straddle-type electric vehicleHONDA MOTOR CO LTD·Filed 2020·Granted Nov 21, 2023·4 cites·11 claims
- 2890US9431850B2Power supply unit having plurality of secondary batteriesIMAI ATSUSHI·Filed 2011·Granted Aug 30, 2016·16 cites·10 claims
- 2990US7399563B2Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the sameRICOH KK·Filed 2007·Granted Jul 15, 2008·13 cites·19 claims
- 3090US6093784AElectrophotographic photoconductor and polycarbonate resin for use thereinRICOH KK·Filed 1994·Granted Jul 25, 2000·40 cites·28 claims
- 3190US5488137AAcrylic acid ester derivative having a triphenyl amine skeletonRICOH KK·Filed 1994·Granted Jan 30, 1996·26 cites·2 claims
- 3289US9793722B2Power source apparatus for vehicleDENSO CORP·Filed 2013·Granted Oct 17, 2017·16 cites·8 claims
- 3389US8339104B2Battery system for vehicleTAMURA HIROSHI·Filed 2010·Granted Dec 25, 2012·6 cites·9 claims
- 3489US6176543B1Seat for vehicleTOYOTA MOTOR CO LTD·Filed 1998·Granted Jan 23, 2001·95 cites·23 claims
- 3589US6018014AAromatic polycarbonate and electrophotographic photosensitive medium using sameRICOH KK·Filed 1998·Granted Jan 25, 2000·41 cites·9 claims
- 3689US4692727ADielectric resonator deviceMURATA MANUFACTURING CO·Filed 1986·Granted Sep 8, 1987·47 cites·7 claims
- 3788US7234769B2Vehicle seatNHK SPRING CO LTD·Filed 2005·Granted Jun 26, 2007·29 cites·6 claims
- 3888US5701497ATelecommunication apparatus having a capability of translationRICOH KK·Filed 1994·Granted Dec 23, 1997·145 cites·21 claims
- 3988US5045744AEnergy-trapping-by-frequency-lowering-type piezoelectric-resonance deviceMURATA MANUFACTURING CO·Filed 1989·Granted Sep 3, 1991·40 cites·8 claims
- 4087US9440533B2Control apparatus for a vehicular 4-wheel drive systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Sep 13, 2016·6 cites·4 claims
- 4187US7473504B2Electrophotographic photoreceptor, and image forming method, apparatus and process cartridge therefor using the photoreceptorRICOH KK·Filed 2005·Granted Jan 6, 2009·9 cites·15 claims
- 4287US6081095AVoltage balancer device for combination batteryDENSO CORP·Filed 1999·Granted Jun 27, 2000·116 cites·14 claims
- 4387US5483229AInput-output unitYOKOGAWA ELECTRIC CORP·Filed 1994·Granted Jan 9, 1996·80 cites·7 claims
- 4487US4298947AIntrabox temperature display deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Nov 3, 1981·51 cites·3 claims
- 4587US4046183ARadial tire having a highly durable bead structureBRIDGESTONE TIRE CO LTD·Filed 1976·Granted Sep 6, 1977·43 cites·10 claims
- 4686US8269462B2State monitoring apparatus for assembled batteryYAMAMOTO HIROYOSHI·Filed 2010·Granted Sep 18, 2012·5 cites·8 claims
- 4786US7199906B1Internet facsimile gateway deviceRICOH KK·Filed 2000·Granted Apr 3, 2007·27 cites·52 claims
- 4886US5122861ASolid state image pickup device having particular package structureFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jun 16, 1992·94 cites·11 claims
- 4986US4821726AElectronic fuel injection deviceNIPPON DENSO CO·Filed 1987·Granted Apr 18, 1989·39 cites·22 claims
- 5085US12122471B2MotorcycleKAWASAKI HEAVY IND LTD·Filed 2021·Granted Oct 22, 2024·2 cites·8 claims
Showing the top 50 of 237 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →