Inventor · disambiguated record
Hiroshi Nagai
Also filed as: NAGAI HIROSHI · NAGANO HIROO · SHIIYAMA HIDEO
86 granted patents·10 pending applications·2,022 citations·filing 1974–2021
99Inventor score
Files withNEC LCD TECHNOLOGIES LTD18EBARA CORP6NLT TECHNOLOGIES LTD6ANDO ELECTRIC5CHUGAI PHARMACEUTICAL CO LTD4
Top patents by PatentIndex Score
96 records- 0198US4876006AHollow fiber filter deviceEBARA CORP·Filed 1988·Granted Oct 24, 1989·254 cites·10 claims
- 0295US4775471AHollow fiber filter deviceEBARA CORP·Filed 1986·Granted Oct 4, 1988·141 cites·9 claims
- 0394US5268949ACircuit for generating M-sequence pseudo-random patternANDO ELECTRIC·Filed 1992·Granted Dec 7, 1993·107 cites·2 claims
- 0493US7705937B2Transflective liquid crystal display deviceNEC LCD TECHNOLOGIES LTD·Filed 2006·Granted Apr 27, 2010·12 cites·5 claims
- 0593US6011187AMethod and apparatus for reclaiming oil from waste plasticMITSUBISHI HEAVY IND LTD·Filed 1997·Granted Jan 4, 2000·127 cites·11 claims
- 0693US5600680AHigh frequency receiving apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Feb 4, 1997·127 cites·7 claims
- 0793US5352359AUltraviolet reactor with mixing baffle platesEBARA CORP·Filed 1993·Granted Oct 4, 1994·95 cites·9 claims
- 0893US4045368AProcess for production of activated carbon spheresKUREHA CHEMICAL IND CO LTD·Filed 1974·Granted Aug 30, 1977·55 cites·6 claims
- 0993US3946089ABlock copolymer of polyamide and polyether, and its preparation and useTOYO BOSEKI·Filed 1974·Granted Mar 23, 1976·74 cites·15 claims
- 1090US5778388AMethod of processing a synchronization point in a database management system to assure a database version using update logs from accumulated transactionsHITACHI LTD·Filed 1995·Granted Jul 7, 1998·174 cites·13 claims
- 1190US4278143AParking brake release apparatusYAMAHA MOTOR CO LTD·Filed 1980·Granted Jul 14, 1981·56 cites·8 claims
- 1289US7011825B2Erythropoietin solution preparationCHUGAI PHARMACEUTICAL CO LTD·Filed 2003·Granted Mar 14, 2006·28 cites·16 claims
- 1388US6172271B1Method and apparatus for reclaiming oil from waste plasticMITSUBISHI HEAVY IND LTD·Filed 1999·Granted Jan 9, 2001·68 cites·5 claims
- 1487US8466860B2Transflective type LCD device having excellent image qualityNAKA KENICHIROU·Filed 2008·Granted Jun 18, 2013·7 cites·9 claims
- 1587US4201650AApparatus for continuous electrolytic descaling of steel wire with mill scalesSUMITOMO METAL IND·Filed 1978·Granted May 6, 1980·20 cites·3 claims
- 1686US6120761AErythropoietin solution preparationCHUGAI PHARMACEUTICAL CO LTD·Filed 1997·Granted Sep 19, 2000·56 cites·11 claims
- 1783US11060314B2Support postTOYOTA MOTOR CO LTD·Filed 2020·Granted Jul 13, 2021·2 cites·6 claims
- 1883US6627187B2Erythropoietin solution preparationCHUGAI PHARMACEUTICAL CO LTD·Filed 2001·Granted Sep 30, 2003·15 cites·19 claims
- 1983US4859523AViscoelastic resin for vibration damping materialNIPPON STEEL CORP·Filed 1987·Granted Aug 22, 1989·45 cites·11 claims
- 2081US8535763B2Coating method and coating apparatusINOUE HIROYUKI·Filed 2007·Granted Sep 17, 2013·3 cites·5 claims
- 2181US7443473B2Optical compensation polarizing film achieving a higher viewing angleNEC LCD TECHNOLOGIES LTD·Filed 2006·Granted Oct 28, 2008·7 cites·7 claims
- 2280US8488087B2Liquid crystal display deviceMORI KENICHI·Filed 2008·Granted Jul 16, 2013·5 cites·15 claims
- 2380US7532285B2LCD device reducing asymmetry in the leakage lightNEC LCD TECHNOLOGIES LTD·Filed 2005·Granted May 12, 2009·6 cites·8 claims
- 2480US4120928AProduction of biaxially stretched film of polyamide blendTOYO BOSEKI·Filed 1977·Granted Oct 17, 1978·29 cites·25 claims
- 2578US8284356B2LCD device including a reflection film having a convex-concave surfaceNAKA KENICHIROU·Filed 2010·Granted Oct 9, 2012·2 cites·3 claims
- 2678US4545227AApparatus for dry type continuous wire drawingSUMITOMO METAL IND·Filed 1983·Granted Oct 8, 1985·34 cites·6 claims
- 2778US4216680ATravel speed change apparatus for a farm vehicleKUBOTA LTD·Filed 1978·Granted Aug 12, 1980·24 cites·4 claims
- 2875US7876406B2Transflective liquid crystal display deviceNEC LCD TECHNOLOGIES LTD·Filed 2008·Granted Jan 25, 2011·4 cites·19 claims
- 2975US7864274B2Transflective liquid-crystal-display device with pair switching deviceNEC LCD TECHNOLOGIES LTD·Filed 2007·Granted Jan 4, 2011·3 cites·19 claims
- 3075US4771106AAdhesive resin compositionSUMITOMO CHEMICAL CO·Filed 1987·Granted Sep 13, 1988·18 cites·4 claims
- 3175US4720524AAdhesive resin compositionSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 19, 1988·33 cites·1 claims
- 3275US4259094AApparatus for continuous recovery of solventKUREHA CHEMICAL IND CO LTD·Filed 1979·Granted Mar 31, 1981·30 cites·4 claims
- 3374US8773623B2Transflective liquid crystal display device including transmissive and reflective areas in each pixelNLT TECHNOLOGIES LTD·Filed 2013·Granted Jul 8, 2014·1 cites·6 claims
- 3473US6625605B1Service attribute management systemOKI ELECTRIC IND CO LTD·Filed 2000·Granted Sep 23, 2003·22 cites·6 claims
- 3572US8115458B2DriverKAMATA YUKI·Filed 2010·Granted Feb 14, 2012·4 cites·14 claims
- 3672US8018538B2Transflective liquid crystal display deviceNEC LCD TECHNOLOGIES LTD·Filed 2008·Granted Sep 13, 2011·3 cites·10 claims
- 3772US6529907B1Service quality management systemOKI ELECTRIC IND CO LTD·Filed 2000·Granted Mar 4, 2003·21 cites·8 claims
- 3872US3939495AMethod for adjusting the angle of attack of a floating magnetic headHITACHI LTD·Filed 1974·Granted Feb 17, 1976·12 cites·6 claims
- 3971US8988637B2Liquid crystal display deviceNLT TECHNOLOGIES LTD·Filed 2013·Granted Mar 24, 2015·1 cites·13 claims
- 4071US8194211B2Transflective liquid crystal display unitNAGAI HIROSHI·Filed 2009·Granted Jun 5, 2012·4 cites·7 claims
- 4171US6277367B1Erythropoietin solution preparationCHUGAI PHARMACEUTICAL CO LTD·Filed 1999·Granted Aug 21, 2001·21 cites·28 claims
- 4269US7460198B2IPS LCD device having a wider viewing angleNEC LCD TECHNOLOGIES LTD·Filed 2004·Granted Dec 2, 2008·9 cites·6 claims
- 4368US5692289AMethod of assembling a magnetic disk drive and a system thereforHITACHI LTD·Filed 1995·Granted Dec 2, 1997·22 cites·10 claims
- 4467US6726336B2Projector having a hinged front cover with a loudspeakerSONY CORP·Filed 2002·Granted Apr 27, 2004·9 cites·13 claims
- 4567US6192735B1Three-dimensional position calibratorNIHON KOHDEN CORP·Filed 1998·Granted Feb 27, 2001·29 cites·12 claims
- 4666US6852233B1Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting materialEBARA CORP·Filed 2000·Granted Feb 8, 2005·7 cites·22 claims
- 4766US5614088ACleaning water production systemEBARA CORP·Filed 1996·Granted Mar 25, 1997·29 cites·10 claims
- 4865US8018556B2Liquid crystal display device having a biaxial first anisotropic film and a second anisotropic film having an optical axis in a thickness directionNEC LCD TECHNOLOGIES LTD·Filed 2008·Granted Sep 13, 2011·2 cites·14 claims
- 4964US7652737B2LCD device having an improved viewing angle characteristicNEC LCD TECHNOLOGIES LTD·Filed 2006·Granted Jan 26, 2010·2 cites·8 claims
- 5063US8508699B2Transflective LCD unitMORI KENICHI·Filed 2008·Granted Aug 13, 2013·1 cites·4 claims
Showing the top 50 of 96 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →