Inventor · disambiguated record
Shoichi Sakai
Also filed as: SAKAI SHOICHI
14 granted patents·10 pending applications·145 citations·filing 1990–2021
92Inventor score
Top patents by PatentIndex Score
24 records- 0179US7975524B2Oxygen sensor inspection method and apparatus and oxygen sensor production methodHITACHI LTD·Filed 2008·Granted Jul 12, 2011·7 cites·7 claims
- 0277US6332966B1Air/fuel ratio detecting arrangementUNISIA JECS CORP·Filed 2000·Granted Dec 25, 2001·17 cites·16 claims
- 0377US5928303ADiagnostic system for diagnosing deterioration of heated type oxygen sensor for internal combustion enginesUNISIA JECS CORP·Filed 1997·Granted Jul 27, 1999·36 cites·9 claims
- 0468US7302828B2Oxygen sensorHITACHI LTD·Filed 2005·Granted Dec 4, 2007·2 cites·12 claims
- 0567US6337489B1Bonding apparatusSHIBUYA KOGYO CO LTD·Filed 1999·Granted Jan 8, 2002·33 cites·1 claims
- 0665US7704358B2Oxygen sensorHITACHI LTD·Filed 2007·Granted Apr 27, 2010·2 cites·16 claims
- 0765US6889536B2Air/fuel-ratio detecting apparatusHITACHI LTD·Filed 2003·Granted May 10, 2005·6 cites·13 claims
- 0857US7452022B2Front portion structure for vehicleHINO MOTORS LTD·Filed 2006·Granted Nov 18, 2008·4 cites·16 claims
- 0956US5969230ASystem and method for estimating the temperature of oxygen sensor installed in exhaust system of internal combustion engineUNISIA JECS CORP·Filed 1997·Granted Oct 19, 1999·17 cites·8 claims
- 1051US2025048605A1Semiconductor device and insulating memberHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 1147US2007215471A1Exhaust gas sensorHITACHI LTD·Filed 2007·Application pending·0 cites
- 1245US2007084725A1Oxygen sensorHITACHI LTD·Filed 2006·Application pending·0 cites
- 1345US2007108051A1Oxygen sensorHITACHI LTD·Filed 2006·Application pending·0 cites
- 1444US7258772B2Oxygen sensor and method of manufacturing sameHITACHI LTD·Filed 2003·Granted Aug 21, 2007·0 cites·11 claims
- 1542US5722368AMethod and apparatus for adjusting the intake air flow rate of an internal combustion engineUNISIA JECS CORP·Filed 1997·Granted Mar 3, 1998·13 cites·8 claims
- 1642US2005158458A1Oxygen concentration detecting element and method of producing sameHITACHI LTD·Filed 2004·Application pending·0 cites
- 1741US7655122B2Oxygen concentration detecting elementHITACHI LTD·Filed 2004·Granted Feb 2, 2010·1 cites·25 claims
- 1839US2005274613A1Oxygen-concentration detecting element and method of producing sameHITACHI LTD·Filed 2005·Application pending·0 cites
- 1939US2005274614A1Oxygen-concentration detecting element and method of producing sameHITACHI LTD·Filed 2005·Application pending·0 cites
- 2038US2009312938A1Gas sensor, oxygen sensor and air-fuel ratio control systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 2137US2011088792A1Fluid control valveAISIN SEIKI·Filed 2010·Application pending·0 cites
- 2236US6016787AIdle rotation speed learning control apparatus and method of engineUNISIA JECS CORP·Filed 1998·Granted Jan 25, 2000·6 cites·12 claims
- 2336US2010236925A1Ceramic structure and gas sensor including the ceramic structureHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2010·Application pending·0 cites
- 2427US5080161ASystem for preparing self-hardening casting mold using organic binderOKAMOTO CO LTD·Filed 1990·Granted Jan 14, 1992·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →