Inventor · disambiguated record
Koji Sakai
Also filed as: SAKAI KOJI
146 granted patents·35 pending applications·1,887 citations·filing 1993–2025
99Inventor score
Top patents by PatentIndex Score
181 records- 0197US6793016B2Vehicle air conditioning system with seat air conditioning unitDENSO CORP·Filed 2001·Granted Sep 21, 2004·113 cites·15 claims
- 0295US9828488B2Polyvinyl chloride resin compositionRIKEN TECHNOS CORP·Filed 2016·Granted Nov 28, 2017·4 cites·3 claims
- 0395US5486018ASuspension system for four-wheeled vehiclesYAMAHA MOTOR CO LTD·Filed 1994·Granted Jan 23, 1996·90 cites·112 claims
- 0494US6899638B2Golf clubMIZUNO KK·Filed 2001·Granted May 31, 2005·166 cites·75 claims
- 0594US6402639B1Metal wood club headMIZUNO KK·Filed 2000·Granted Jun 11, 2002·115 cites·8 claims
- 0693US8441224B2Driving apparatus for a vehicle-mounted electric motorSUMI TOMOYUKI·Filed 2010·Granted May 14, 2013·27 cites·8 claims
- 0793US8036244B2Transmitter, receiver, communication system, communication method, non-transitory computer readable mediumSHARP KK·Filed 2005·Granted Oct 11, 2011·37 cites·27 claims
- 0893US6886221B2Folding device and electronic equipment using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 3, 2005·108 cites·14 claims
- 0993US6695712B1Golf club head, iron golf club head, wood golf club head, and golf club setMIZUNO KK·Filed 2000·Granted Feb 24, 2004·116 cites·33 claims
- 1092US10476102B2BatteryPANASONIC IP MAN CO LTD·Filed 2015·Granted Nov 12, 2019·4 cites·15 claims
- 1191US10362701B2Electrical device, method for manufacturing electrical device, and electric compressorDENSO CORP·Filed 2015·Granted Jul 23, 2019·5 cites·14 claims
- 1291US10250174B2Motor driving deviceDENSO CORP·Filed 2016·Granted Apr 2, 2019·7 cites·8 claims
- 1390US10018556B2Gas detecting device including light emitter, light receiver, and an optical memberPANASONIC IP MAN CO LTD·Filed 2015·Granted Jul 10, 2018·4 cites·7 claims
- 1490US7502597B2Radio base station, mobile stationFUJITSU LTD·Filed 2005·Granted Mar 10, 2009·21 cites·5 claims
- 1588US8466996B2Condition changing deviceSAKAI KOJI·Filed 2010·Granted Jun 18, 2013·9 cites·23 claims
- 1687USD757011SAttachment adapterOLYMPUS CORP·Filed 2015·Granted May 24, 2016·28 cites·1 claims
- 1787US8278859B2Electric motor drive device, control method of electric motor drive device, and electrically driven deviceSAKAI KOJI·Filed 2010·Granted Oct 2, 2012·9 cites·8 claims
- 1885US9958381B2Carbon dioxide sensorPANASONIC IP MAN CO LTD·Filed 2017·Granted May 1, 2018·2 cites·19 claims
- 1985US9479108B2Electric compressorDENSO CORP·Filed 2013·Granted Oct 25, 2016·4 cites·4 claims
- 2085US7168134B2Opening and closing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 30, 2007·18 cites·16 claims
- 2185US6776725B1Golf club headMIZUNO KK·Filed 1999·Granted Aug 17, 2004·80 cites·10 claims
- 2284US10626869B2Electric compressorDENSO CORP·Filed 2016·Granted Apr 21, 2020·3 cites·11 claims
- 2384US9628004B2Motor drive deviceDENSO CORP·Filed 2014·Granted Apr 18, 2017·5 cites·10 claims
- 2484US8186772B2Vehicle brake apparatusSUZUKI JIRO·Filed 2008·Granted May 29, 2012·10 cites·16 claims
- 2583US7461318B2Communication system realizing USB communications between a host computer and its peripheral device and a communication controller transmitting a USB signal under the USB standardSHARP KK·Filed 2004·Granted Dec 2, 2008·39 cites·95 claims
- 2683US7007345B2Opening and closing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 7, 2006·45 cites·12 claims
- 2783US5818236AMethod and apparatus for checking insulation of ungrounded power sourceHONDA MOTOR CO LTD·Filed 1997·Granted Oct 6, 1998·103 cites·21 claims
- 2882US10220677B2Vehicle air conditioner having a gas injection cycleDENSO CORP·Filed 2016·Granted Mar 5, 2019·3 cites·13 claims
- 2982USD733782SDigital cameraOLYMPUS IMAGING CORP·Filed 2014·Granted Jul 7, 2015·28 cites·1 claims
- 3082US6435981B2Metal golf club headMIZUNO KK·Filed 2000·Granted Aug 20, 2002·33 cites·11 claims
- 3181US10183555B2Onboard electric systemDENSO CORP·Filed 2014·Granted Jan 22, 2019·9 cites·17 claims
- 3281US7548736B2Transmitter, receiver, data transfer system, transmission method, reception method, computer program for transmission, computer program for reception, and recording mediumSHARP KK·Filed 2005·Granted Jun 16, 2009·11 cites·3 claims
- 3380US9774281B2Motor drive deviceDENSO CORP·Filed 2015·Granted Sep 26, 2017·4 cites·8 claims
- 3480US7469934B2Pipe joint structure and method for fabricating the sameDENSO CORP·Filed 2003·Granted Dec 30, 2008·19 cites·5 claims
- 3580US7213301B2Folding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 8, 2007·29 cites·3 claims
- 3679US9982922B2Electric compressorDENSO CORP·Filed 2013·Granted May 29, 2018·3 cites·8 claims
- 3779US9438160B2Motor drive apparatusDENSO CORP·Filed 2013·Granted Sep 6, 2016·4 cites·11 claims
- 3879US6428425B1Metal golf club headMIZUNO KK·Filed 1999·Granted Aug 6, 2002·49 cites·6 claims
- 3979US6250658B1Vehicle suspension systemYAMAHA MOTOR CO LTD·Filed 1999·Granted Jun 26, 2001·47 cites·29 claims
- 4078USD695805SDigital cameraOLYMPUS IMAGING CORP·Filed 2012·Granted Dec 17, 2013·21 cites·1 claims
- 4178US7422421B2Plunger pump apparatusNISSIN KOGYO KK·Filed 2005·Granted Sep 9, 2008·7 cites·7 claims
- 4278US2023267613A1Medical image processing apparatus and methodCANON KK·Filed 2023·Application pending·0 cites
- 4378US2025115163A1Onboard high-voltage system and electronic control unitDENSO CORPORAITON·Filed 2024·Application pending·0 cites
- 4477US8727580B2Illuminating deviceTAKAYAMA RYOHEI·Filed 2012·Granted May 20, 2014·8 cites·21 claims
- 4577US8272700B2Vehicle brake apparatusSUZUKI JIRO·Filed 2008·Granted Sep 25, 2012·7 cites·20 claims
- 4677US8129932B2Driving apparatus for three-phase AC synchronous motorSAKAI KOJI·Filed 2010·Granted Mar 6, 2012·6 cites·10 claims
- 4777US7502612B2Dual mode wireless communication device using IrDA that doesn't comply with IrDA standard as the default mode and the second mode is compliant with IrDA standardSHARP KK·Filed 2005·Granted Mar 10, 2009·7 cites·11 claims
- 4876US10800227B2Air-conditioning control apparatusDENSO CORP·Filed 2019·Granted Oct 13, 2020·1 cites·11 claims
- 4976US10290096B2Diagnosis support apparatus, information processing method, and storage mediumCANON KK·Filed 2016·Granted May 14, 2019·3 cites·19 claims
- 5076US9699389B2Image displaying apparatus and image displaying methodOLYMPUS CORP·Filed 2016·Granted Jul 4, 2017·2 cites·7 claims
Showing the top 50 of 181 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →