Inventor · disambiguated record
Kenji Okamoto
Also filed as: IMOTO KEIJI · OKAMOTO KENJI
223 granted patents·39 pending applications·5,026 citations·filing 1980–2023
99Inventor score
Files withFUJI ELECTRIC CO LTD21MAZDA MOTOR21SHARP KK18MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10PANASONIC IP MAN CO LTD10
Top patents by PatentIndex Score
262 records- 0198US7304703B1Vertically-aligned (VA) liquid crystal display deviceSHARP KK·Filed 2000·Granted Dec 4, 2007·122 cites·23 claims
- 0298US7224421B1Vertically-aligned (VA) liquid crystal display deviceSHARP KK·Filed 2000·Granted May 29, 2007·108 cites·6 claims
- 0398US7167224B1Vertically-aligned (VA) liquid crystal display deviceSHARP KK·Filed 2000·Granted Jan 23, 2007·123 cites·3 claims
- 0498US6724452B1Vertically aligned (VA) liquid crystal display deviceSHARP KK·Filed 1998·Granted Apr 20, 2004·484 cites·14 claims
- 0597US7227606B2Vertically-alligned (VA) liquid crystal display deviceSHARP KK·Filed 2003·Granted Jun 5, 2007·69 cites·91 claims
- 0697US4867629ADusttight storage cabinet apparatus for use in clean roomsSHIMIZU CONSTRUCTION CO LTD·Filed 1987·Granted Sep 19, 1989·431 cites·15 claims
- 0795US6583835B1Alignment films in a liquid crystal display device and a method of manufacturing the sameFUJITSU DISPLAY TECH·Filed 2000·Granted Jun 24, 2003·61 cites·18 claims
- 0895US6066587ACatalyst for purifying exhaust gasMAZDA MOTOR·Filed 1997·Granted May 23, 2000·122 cites·16 claims
- 0995US4560249AMethod of forming diffraction gratings and optical branching filter elements produced therebySUMITOMO ELECTRIC INDUSTRIES·Filed 1983·Granted Dec 24, 1985·114 cites·8 claims
- 1094US8134671B2Liquid crystal display deviceTAKEDA ARIHIRO·Filed 2011·Granted Mar 13, 2012·9 cites·14 claims
- 1194US7760305B2Liquid crystal display device with multiple alignment structuresSHARP KK·Filed 2008·Granted Jul 20, 2010·11 cites·21 claims
- 1294US5473455ADomain divided liquid crystal display device with particular pretilt angles and directions in each domainFUJITSU LTD·Filed 1992·Granted Dec 5, 1995·198 cites·43 claims
- 1394US5308410AProcess for producing high strength and high toughness aluminum alloyHONDA MOTOR CO LTD·Filed 1992·Granted May 3, 1994·64 cites·5 claims
- 1494US4395987ADistribution type fuel injection apparatusDIESEL KIKI CO·Filed 1981·Granted Aug 2, 1983·43 cites·9 claims
- 1593US7821603B2Vertically-alligned (VA) liquid crystal display deviceSHARP KK·Filed 2009·Granted Oct 26, 2010·10 cites·3 claims
- 1693US7510817B2Photoresist polymer compositionsJSR CORP·Filed 2005·Granted Mar 31, 2009·21 cites·21 claims
- 1793US5374570AMethod of manufacturing active matrix display device using insulation layer formed by the ale methodFUJITSU LTD·Filed 1993·Granted Dec 20, 1994·288 cites·18 claims
- 1892US7965363B2Vertically-aligned (VA) liquid crystal display deviceSHARP KK·Filed 2008·Granted Jun 21, 2011·9 cites·22 claims
- 1992US6650559B1Power converting deviceFUJI ELECTRIC CO LTD·Filed 2001·Granted Nov 18, 2003·76 cites·12 claims
- 2092US5742074AThin film transistor matrix device and method for fabricating the sameFUJITSU LTD·Filed 1996·Granted Apr 21, 1998·63 cites·13 claims
- 2192US5312494AHigh strength and high toughness aluminum alloyHONDA MOTOR CO LTD·Filed 1993·Granted May 17, 1994·53 cites·2 claims
- 2291US8731784B2Blade control system and construction machineHAYASHI KAZUHIKO·Filed 2011·Granted May 20, 2014·14 cites·8 claims
- 2391US7561213B2Television broadcast receiverFUNAI ELECTRIC CO·Filed 2005·Granted Jul 14, 2009·17 cites·2 claims
- 2490US7871452B2Particulate filterMAZDA MOTOR·Filed 2008·Granted Jan 18, 2011·23 cites·8 claims
- 2590US6438000B1Noise-cut filterFUJI ELECTRIC CO LTD·Filed 2000·Granted Aug 20, 2002·73 cites·16 claims
- 2690US6269634B1Engine control deviceMAZDA MOTOR·Filed 2000·Granted Aug 7, 2001·51 cites·18 claims
- 2790US4673241ADiffraction gratings and optical branching filter elementsSUMITOMO ELECTRIC INDUSTRIES·Filed 1985·Granted Jun 16, 1987·68 cites·6 claims
- 2890US4639208APulse combustion apparatus with a plurality of pulse burnersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jan 27, 1987·68 cites·24 claims
- 2989US9661793B2Electronic component mounting system and electronic component mounting methodPANASONIC IP MAN CO LTD·Filed 2013·Granted May 23, 2017·8 cites·4 claims
- 3089US7256431B2Insulating substrate and semiconductor device having a thermally sprayed circuit patternFUJI ELECTRIC HOLDINGS·Filed 2005·Granted Aug 14, 2007·17 cites·14 claims
- 3189US5296855AOffset correction apparatus of turning angular velocity sensorSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Mar 22, 1994·87 cites·2 claims
- 3289US4480992AMethod of heating a furnaceSANKEN SANGYO KK·Filed 1982·Granted Nov 6, 1984·24 cites·14 claims
- 3389US4372266AFuel injection apparatus for internal combustion enginesDIESEL KIKI CO·Filed 1981·Granted Feb 8, 1983·32 cites·7 claims
- 3488US8067330B2Catalytic material and catalyst for purifying exhaust gas componentSUZUKI KENJI·Filed 2008·Granted Nov 29, 2011·11 cites·2 claims
- 3588US6221804B1Catalyst for purifying exhaust gas and manufacturing method thereofMAZDA MOTOR·Filed 1999·Granted Apr 24, 2001·79 cites·11 claims
- 3688US4619234AElectronically controlled fuel injection apparatusDIESEL KIKI CO·Filed 1985·Granted Oct 28, 1986·33 cites·7 claims
- 3787US8655556B2Blade control system and construction machineHAYASHI KAZUHIKO·Filed 2011·Granted Feb 18, 2014·11 cites·7 claims
- 3887USRE43123EVertically-aligned (VA) liquid crystal display deviceSASABAYASHI TAKASHI·Filed 2008·Granted Jan 24, 2012·5 cites·54 claims
- 3986US8383377B2Bacterium capable of fermenting glucose, mannose and xylose simultaneously, and method for production of bioethanol using the bacteriumNAT UNIV CORP TOTTORI UNIV·Filed 2008·Granted Feb 26, 2013·7 cites·6 claims
- 4086US7686205B2Method of joining members having different thermal expansion coefficientsHONDA MOTOR CO LTD·Filed 2007·Granted Mar 30, 2010·9 cites·18 claims
- 4186US7545441B2Digital broadcast receiverFUNAI ELECTRIC CO·Filed 2005·Granted Jun 9, 2009·10 cites·4 claims
- 4286US6499788B2Automotive display deviceAUTONETWORKS TECHNOLOGIES LTD·Filed 2001·Granted Dec 31, 2002·30 cites·6 claims
- 4386US6317965B1Noise-cut filter for power converterFUJI ELECTRIC CO LTD·Filed 2000·Granted Nov 20, 2001·30 cites·9 claims
- 4486US5677258ABurned gas purifying catalystMAZDA MOTOR·Filed 1996·Granted Oct 14, 1997·61 cites·24 claims
- 4585US5060769ASlip control device of a fluid couplingMAZDA MOTOR·Filed 1990·Granted Oct 29, 1991·37 cites·6 claims
- 4685US4794655ATruck type patient-moving deviceAGENCY IND SCIENCE TECHN·Filed 1987·Granted Jan 3, 1989·91 cites·7 claims
- 4784US9061848B2Sheet feeder and image forming apparatusKONICA MINOLTA INC·Filed 2013·Granted Jun 23, 2015·5 cites·20 claims
- 4884US9026319B2Blade control device, working machine and blade control methodKOMATSU MFG CO LTD·Filed 2012·Granted May 5, 2015·9 cites·7 claims
- 4984US7671467B2Power semiconductor moduleHONDA MOTOR CO LTD·Filed 2007·Granted Mar 2, 2010·15 cites·15 claims
- 5084US6144269ANoise-cut LC filter for power converter with overlapping aligned coil patternsFUJI ELECTRIC CO LTD·Filed 1998·Granted Nov 7, 2000·45 cites·9 claims
Showing the top 50 of 262 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kenji Okamoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →