Inventor · disambiguated record
Kenji Arai
Also filed as: ARAI KENJI
130 granted patents·15 pending applications·1,998 citations·filing 1982–2023
99Inventor score
Top patents by PatentIndex Score
145 records- 0196US6810099B2Boiling water reactor nuclear power plant and its construction methodTOSHIBA KK·Filed 2001·Granted Oct 26, 2004·55 cites·13 claims
- 0294US6925138B2Reactor core and method for operating nuclear reactorTOSHIBA KK·Filed 2001·Granted Aug 2, 2005·41 cites·4 claims
- 0394US6044363AAutomatic auction methodHITACHI LTD·Filed 1997·Granted Mar 28, 2000·607 cites·16 claims
- 0492US4766544AApparatus for automatically controlling starting of vehicle powered by internal combustion engineDIESEL KIKI CO·Filed 1986·Granted Aug 23, 1988·51 cites·7 claims
- 0590US4621328AApparatus for controlling a speed change gearDIESEL KIKI CO·Filed 1983·Granted Nov 4, 1986·52 cites·8 claims
- 0689US9800976B2Electroacoustic transducerAUDIO TECHNICA KK·Filed 2015·Granted Oct 24, 2017·9 cites·10 claims
- 0789US8076017B2Fuel cell stackMATSUMOTO TOSHIHIRO·Filed 2010·Granted Dec 13, 2011·7 cites·14 claims
- 0889US5496518AIncubatorFUJI PHOTO FILM CO LTD·Filed 1994·Granted Mar 5, 1996·79 cites·3 claims
- 0986US9528606B2Combined oil ringNIPPON PISTON RING CO LTD·Filed 2013·Granted Dec 27, 2016·6 cites·3 claims
- 1086US9484782B2Concentrated power-distribution member for concentrated winding motorNISSAN MOTOR·Filed 2013·Granted Nov 1, 2016·6 cites·5 claims
- 1186US8044731B2Oscillator circuitOKI SEMICONDUCTOR CO LTD·Filed 2010·Granted Oct 25, 2011·8 cites·18 claims
- 1286US6449552B2Driving force distribution control apparatus and method of motor vehicleTOYOTA MOTOR CO LTD·Filed 2001·Granted Sep 10, 2002·52 cites·24 claims
- 1385US6080206AMethod of laying out interconnectionsOKI ELECTRIC IND CO LTD·Filed 1997·Granted Jun 27, 2000·148 cites·10 claims
- 1484US6672055B1Hydraulic pump control deviceCATERPILLAR MITSUBISHI LTD·Filed 2000·Granted Jan 6, 2004·28 cites·4 claims
- 1582US9331539B2Motor power distribution apparatusARAI KENJI·Filed 2011·Granted May 3, 2016·7 cites·16 claims
- 1682US4693142AAutomatic transmission system for vehiclesDIESEL KIKI CO·Filed 1986·Granted Sep 15, 1987·32 cites·9 claims
- 1781US9406897B2Organic electroluminescent element and electronic deviceKONICA MINOLTA INC·Filed 2015·Granted Aug 2, 2016·4 cites·9 claims
- 1881US9112658B2Base station, user terminal, and communication methodARAI KENJI·Filed 2012·Granted Aug 18, 2015·6 cites·18 claims
- 1980US7218149B2Output or bidirectional buffer circuit which tolerates an external input voltage that is higher than an internal power supply voltageOKI ELECTRIC IND CO LTD·Filed 2005·Granted May 15, 2007·10 cites·26 claims
- 2080US6433606B1Clock driver circuit and method of routing clock interconnectionsOKI ELECTRIC IND CO LTD·Filed 2000·Granted Aug 13, 2002·29 cites·23 claims
- 2180US6320470B1Phase lock loop circuit with loop filter having resistance and capacitance adjustmentOKI ELECTRIC IND CO LTD·Filed 2000·Granted Nov 20, 2001·33 cites·19 claims
- 2278US6524534B1Apparatus for removing flammable gasTOSHIBA KK·Filed 1999·Granted Feb 25, 2003·22 cites·24 claims
- 2377US9912003B2Fuel cell stackPANASONIC CORP·Filed 2014·Granted Mar 6, 2018·2 cites·5 claims
- 2477US6358502B1Hair cosmetic compositions containing glycine and alanineKAO CORP·Filed 1999·Granted Mar 19, 2002·43 cites·14 claims
- 2577US4848529AAutomatic transmission systemDIESEL KIKI CO·Filed 1987·Granted Jul 18, 1989·27 cites·9 claims
- 2675US9662985B2Control circuit for step-up DC/DC converterROHM CO LTD·Filed 2016·Granted May 30, 2017·2 cites·19 claims
- 2774US7848963B2Automatic auction method and system on server-client systemHITACHI LTD·Filed 2009·Granted Dec 7, 2010·2 cites·14 claims
- 2874US7610217B1Automatic auction method and system on server-client systemHITACHI LTD·Filed 2000·Granted Oct 27, 2009·7 cites·44 claims
- 2974US5182755AMalfunction checking system for controllerDIESEL KIKI CO·Filed 1988·Granted Jan 26, 1993·19 cites·11 claims
- 3073US7362145B2Input/output circuit and input/output deviceOKI ELECTRIC IND CO LTD·Filed 2005·Granted Apr 22, 2008·6 cites·13 claims
- 3173US5510082AChemical analysis film supplierFUJI PHOTO FILM CO LTD·Filed 1994·Granted Apr 23, 1996·36 cites·6 claims
- 3272US7268106B2Aqueous liquid detergent compositionKAO CORP·Filed 2003·Granted Sep 11, 2007·2 cites·17 claims
- 3372US6902709B1Hydrogen removing apparatusTOSHIBA KK·Filed 2000·Granted Jun 7, 2005·9 cites·11 claims
- 3472US2024006599A1Secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 3571US10724636B2Combined oil ringNIPPON PISTON RING CO LTD·Filed 2015·Granted Jul 28, 2020·2 cites·10 claims
- 3671US7893681B2Electronic circuitSPANSION LLC·Filed 2008·Granted Feb 22, 2011·4 cites·20 claims
- 3771US7354891B2Pearlescent detergent composition comprising a mixture of ethylene glycol alkylatesKAO CORP·Filed 2003·Granted Apr 8, 2008·3 cites·20 claims
- 3871US4807132AApparatus for controlling an internal combustion engine for vehiclesDIESEL KIKI CO·Filed 1986·Granted Feb 21, 1989·22 cites·11 claims
- 3971US2025329724A1Lithium-ion secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 4071US2023411619A1Method for forming secondary battery and negative electrode active material layerSEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 4170US6241947B1Chemical analysis system and blood filtering unitFUJI PHOTO FILM CO LTD·Filed 1999·Granted Jun 5, 2001·33 cites·9 claims
- 4268US4765450AClutch control apparatus responsive to motor and gearing controlsDIESEL KIKI CO·Filed 1986·Granted Aug 23, 1988·23 cites·12 claims
- 4367US8711320B2Mounting structure, electro-optical apparatus, and touch panelARAI KENJI·Filed 2010·Granted Apr 29, 2014·2 cites·6 claims
- 4466US11476544B2Adhesive composition for electrical storage device, functional layer for electrical storage device, electrical storage device, and method of producing electrical storage deviceZEON CORP·Filed 2018·Granted Oct 18, 2022·0 cites·8 claims
- 4566US7573304B2Input/output circuit and input/output deviceOKI SEMICONDUCTOR CO LTD·Filed 2008·Granted Aug 11, 2009·4 cites·6 claims
- 4666US4789936AAutomatic transmission systemDIESEL KIKI CO·Filed 1985·Granted Dec 6, 1988·19 cites·7 claims
- 4766US2024413324A1Lithium ion batterySEMICONDUCTOR ENERGY LAB·Filed 2022·Application pending·0 cites
- 4865US11453808B2Adhesive composition for electrical storage device, functional layer for electrical storage device, electrical storage device, and method of producing electrical storage deviceZEON CORP·Filed 2018·Granted Sep 27, 2022·0 cites·8 claims
- 4965US6348189B1Hair cleansing compositions containing glycine and alanineKAO CORP·Filed 1999·Granted Feb 19, 2002·30 cites·6 claims
- 5064US10930912B2Composition for non-aqueous secondary battery functional layer, functional layer for non-aqueous secondary battery, non-aqueous secondary battery, and method of producing electrode for non-aqueous secondary batteryZEON CORP·Filed 2017·Granted Feb 23, 2021·0 cites·10 claims
Showing the top 50 of 145 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →