Inventor · disambiguated record
Kenichi Nakagawa
Also filed as: NAKAGAWA KENICHI
64 granted patents·14 pending applications·918 citations·filing 1983–2021
99Inventor score
Top patents by PatentIndex Score
78 records- 0198US5499037ALiquid crystal display device for display with gray levelsSHARP KK·Filed 1994·Granted Mar 12, 1996·268 cites·2 claims
- 0295US4772943AVirtual stereographic display systemSHARP KK·Filed 1987·Granted Sep 20, 1988·51 cites·9 claims
- 0393US4870486AVirtual stereographic display systemSHARP KK·Filed 1988·Granted Sep 26, 1989·86 cites·12 claims
- 0488US6551152B2Jet-propulsive watercraftKAWASAKI HEAVY IND LTD·Filed 2001·Granted Apr 22, 2003·29 cites·34 claims
- 0588US5528392AImage-forming apparatus having liquid crystal and photoconductive members and using the same light beam for reading and writingFUJI PHOTO FILM CO LTD·Filed 1994·Granted Jun 18, 1996·29 cites·19 claims
- 0686US9166286B2Communication devicePANASONIC IP MAN CO LTD·Filed 2013·Granted Oct 20, 2015·16 cites·17 claims
- 0784US6912089B2Optical diffusion film and process of producing optical diffusion filmFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jun 28, 2005·20 cites·22 claims
- 0884US6308650B1Hatch cover structure for personal watercraftKAWASAKI HEAVY IND LTD·Filed 1999·Granted Oct 30, 2001·36 cites·6 claims
- 0983US7773178B2Liquid crystal projector, liquid crystal device and substrate for liquid crystal deviceFUJIFILM CORP·Filed 2008·Granted Aug 10, 2010·6 cites·2 claims
- 1083US7079209B2Retardation compensation system and liquid crystal projector with different compensation for one of the primary colorsFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jul 18, 2006·24 cites·12 claims
- 1181US10813816B2Patient placement table moving method used on robotic operating tableMEDICAROID CORP·Filed 2018·Granted Oct 27, 2020·4 cites·19 claims
- 1281US7468769B2Retardation compensator and single-panel type color liquid crystal projectorFUJIFILM CORP·Filed 2003·Granted Dec 23, 2008·21 cites·8 claims
- 1378US6192823B1Personal watercraftKAWASAKI HEAVY IND LTD·Filed 2000·Granted Feb 27, 2001·20 cites·6 claims
- 1478US5414490APhotosensitive material exposure apparatusFUJI PHOTO FILM CO LTD·Filed 1993·Granted May 9, 1995·18 cites·20 claims
- 1574US4935757ALiquid crystal display deviceSHARP KK·Filed 1988·Granted Jun 19, 1990·34 cites·6 claims
- 1673US9751776B2Dispersion of zirconium oxide, process for producing the same, and resin composition containing the sameNAKAGAWA KENICHI·Filed 2009·Granted Sep 5, 2017·2 cites·7 claims
- 1772US12059949B2Installation structure of electrical component module in vehicleNISSAN MOTOR·Filed 2019·Granted Aug 13, 2024·2 cites·6 claims
- 1870US11006906B2Robotic operating table, and robotic operating table operation deviceMEDICAROID CORP·Filed 2018·Granted May 18, 2021·1 cites·19 claims
- 1970US9209563B2Power supply connector and method for unlocking power supply connectorFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Dec 8, 2015·3 cites·6 claims
- 2070US7583340B2Phase difference compensating device and liquid crystal apparatus using the sameFUJIFILM CORP·Filed 2005·Granted Sep 1, 2009·3 cites·20 claims
- 2170US4983023ALiquid crystal display panel with polymer spacers containing a percentage of epoxy groupsSHARP KK·Filed 1988·Granted Jan 8, 1991·30 cites·9 claims
- 2269US6158378ADeck floor for personal watercraftKAWASAKI HEAVY IND LTD·Filed 1999·Granted Dec 12, 2000·21 cites·17 claims
- 2368US11045375B2Robotic operating table, and robotic operating table operation deviceMEDICAROID CORP·Filed 2018·Granted Jun 29, 2021·1 cites·27 claims
- 2468US7916392B2Polarization control system and projector incorporating reflective liquid crystal element and birefringent elementsFUJIFILM CORP·Filed 2008·Granted Mar 29, 2011·4 cites·6 claims
- 2567US7068393B2Image ratio measuring method for image forming apparatusCANON KK·Filed 2001·Granted Jun 27, 2006·7 cites·17 claims
- 2667US6384856B2Image formation apparatus correction systemCANON KK·Filed 2001·Granted May 7, 2002·6 cites·5 claims
- 2766US9949089B2Position management system, position management apparatus, and position management methodNAKAGAWA KENICHI·Filed 2016·Granted Apr 17, 2018·1 cites·14 claims
- 2865US7174505B2Display engagement systemFUJITSU LTD·Filed 2002·Granted Feb 6, 2007·6 cites·8 claims
- 2965US6415728B1Personal watercraftKAWASAKI HEAVY IND LTD·Filed 2000·Granted Jul 9, 2002·11 cites·16 claims
- 3064US10752263B2Vehicular cooling deviceMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Aug 25, 2020·1 cites·20 claims
- 3164US8845011B2Number plate mounting structure in motorcycleKAWASAKI HEAVY IND LTD·Filed 2013·Granted Sep 30, 2014·2 cites·4 claims
- 3263US12447795B2In-vehicle-mounted structureNISSAN MOTOR·Filed 2021·Granted Oct 21, 2025·0 cites·7 claims
- 3362US9416244B2Dispersion of zirconium oxide and process for producing the sameSAKAI CHEMICAL INDUSTRY CO·Filed 2013·Granted Aug 16, 2016·0 cites·12 claims
- 3462US8605241B2Biaxial birefringent component, liquid crystal projector, and method for manufacturing biaxial birefringent componentNAKAGAWA KENICHI·Filed 2008·Granted Dec 10, 2013·0 cites·4 claims
- 3561US8524124B2Dispersion of zirconium oxide and process for producing the sameNAKAGAWA KENICHI·Filed 2009·Granted Sep 3, 2013·0 cites·5 claims
- 3660US7764343B2Retardation compensation element, liquid crystal display device, and liquid crystal projectorFUJIFILM CORP·Filed 2006·Granted Jul 27, 2010·1 cites·11 claims
- 3759US5889235ACombination weighing method and combination balanceYAMATO SCALE CO LTD·Filed 1996·Granted Mar 30, 1999·25 cites·13 claims
- 3859US4579425AMultiplexable liquid crystal display with reduced hysteresisSHARP KK·Filed 1983·Granted Apr 1, 1986·17 cites·5 claims
- 3959US2021236068A1Robotic operating table, and robotic operating table operation deviceMEDICAROID CORP·Filed 2021·Application pending·0 cites
- 4058US5347381AFerroelectric liquid crystal display device with molecules between hairpin and lightning defects following the lightning defectsSHARP KK·Filed 1992·Granted Sep 13, 1994·24 cites·4 claims
- 4157US6667794B2Collimator utilizing wavelength selective reflection and backlight systemFUJI PHOTO FILM CO LTD·Filed 2001·Granted Dec 23, 2003·5 cites·25 claims
- 4252US4708439ALiquid crystal display device with prism for viewingSHARP KK·Filed 1987·Granted Nov 24, 1987·14 cites·5 claims
- 4351US10756605B2Squirrel-cage induction motor, and method for manufacturing squirrel-cage induction motorMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Aug 25, 2020·0 cites·22 claims
- 4451US6779474B2Personal watercraftKAWASAKI HEAVY IND LTD·Filed 2003·Granted Aug 24, 2004·4 cites·7 claims
- 4550US2017237324A1Alternating-current motorMITSUBISHI ELECTRIC CORP·Filed 2014·Application pending·0 cites
- 4649US10028103B2Position management system, position management apparatus, position management method, and non-transitory computer-readable information recording mediumNAKAGAWA KENICHI·Filed 2016·Granted Jul 17, 2018·0 cites·17 claims
- 4749US8967649B2Motorcycle rear body structureKAWASAKI HEAVY IND LTD·Filed 2013·Granted Mar 3, 2015·0 cites·7 claims
- 4849US2010026918A1Retardation compensation element, van liquid crystal display device, and liquid crystal projectorFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 4949US2009009701A1Light Diffusing Plate and Display ApparatusYAMAGUCHI AKIRA·Filed 2008·Application pending·0 cites
- 5048US10069197B2ATC antenna device, ATC signal transmission device and vehicleMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Sep 4, 2018·0 cites·7 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →