Inventor · disambiguated record
Keiichi Kai
Also filed as: KAI KEIICHI
16 granted patents·3 pending applications·322 citations·filing 1997–2023
94Inventor score
Top patents by PatentIndex Score
19 records- 0196US8038416B2Oil pump pressure control deviceYAMADA MFG CO LTD·Filed 2007·Granted Oct 18, 2011·90 cites·14 claims
- 0286US5979405AApparatus for controlling a throttle valve electronically in an internal combustion engineUNISIA JECS CORP·Filed 1998·Granted Nov 9, 1999·41 cites·12 claims
- 0383US5823165AValve actuator arrangement for internal combustion engineUNISIA JECS CORP·Filed 1997·Granted Oct 20, 1998·43 cites·23 claims
- 0480US7359886B2Injection-molding cost estimation systemRICOH KK·Filed 2003·Granted Apr 15, 2008·36 cites·18 claims
- 0578US6516776B1Throttle valve device of engineUNISIA JECS CORP·Filed 2000·Granted Feb 11, 2003·21 cites·20 claims
- 0675US6332451B1Rotary valve actuator arrangementUNISIA JECS CORP·Filed 2000·Granted Dec 25, 2001·20 cites·42 claims
- 0774US7488163B2Trochoid oil pumpYAMADA MFG CO LTD·Filed 2005·Granted Feb 10, 2009·5 cites·19 claims
- 0867US8616857B2Oil pump unit with variable flow rateKAI KEIICHI·Filed 2011·Granted Dec 31, 2013·2 cites·7 claims
- 0966US6109240AApparatus for controlling a throttle valve electronically in an internal combustion engineUNISIA JECS CORP·Filed 1998·Granted Aug 29, 2000·24 cites·5 claims
- 1065US2025153385A1Cutting bladeDISCO CORP·Filed 2023·Application pending·0 cites
- 1163US11679455B1Base-integrated blade manufacturing methodDISCO CORP·Filed 2022·Granted Jun 20, 2023·0 cites·2 claims
- 1253USRE40382EApparatus for controlling a throttle valve electronically in an internal combustion engineHITACHI LTD·Filed 2006·Granted Jun 17, 2008·2 cites·70 claims
- 1351US6000377AApparatus for controlling a throttle valve electronically in an internal combustion engineUNISIA JECS CORP·Filed 1998·Granted Dec 14, 1999·14 cites·11 claims
- 1450US5907971ADevice for returning reciprocating mechanism to predetermined positionUNISIA JECS CORP·Filed 1998·Granted Jun 1, 1999·14 cites·6 claims
- 1549US7967585B2Method for manufacturing trochoid pump and trochoid pump obtainedYAMADA MFG CO LTD·Filed 2008·Granted Jun 28, 2011·0 cites·8 claims
- 1646US2008253904A1Oil pump pressure control deviceYAMADA MFG CO LTD·Filed 2007·Application pending·0 cites
- 1742US5964203AThrottle valve device of internal combustion engineUNISIA JECS CORP·Filed 1998·Granted Oct 12, 1999·10 cites·8 claims
- 1839US2003197143A1Solenoid valveHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Application pending·0 cites
- 1937US9249700B2Oil pump unit with variable flow rateKAI KEIICHI·Filed 2011·Granted Feb 2, 2016·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →