Inventor · disambiguated record
Hideaki Ohnishi
Also filed as: OHNISHI HIDEAKI
37 granted patents·6 pending applications·349 citations·filing 1995–2018
97Inventor score
Files withHITACHI AUTOMOTIVE SYSTEMS LTD23HITACHI LTD4UNISIA JECS CORP4OHNISHI HIDEAKI3DAI ICHI KOGYO SEIYAKU CO LTD2
Top patents by PatentIndex Score
43 records- 0198US9670926B2Variable displacement pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Jun 6, 2017·11 cites·10 claims
- 0295US8684702B2Variable displacement pumpWATANABE YASUSHI·Filed 2010·Granted Apr 1, 2014·28 cites·19 claims
- 0395US5797732AVariable capacity pump having a pressure responsive relief valve arrangementUNISIA JECS CORP·Filed 1997·Granted Aug 25, 1998·70 cites·2 claims
- 0494US9109596B2Variable displacement pumpOHNISHI HIDEAKI·Filed 2012·Granted Aug 18, 2015·14 cites·18 claims
- 0593US9903367B2Variable displacement oil pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Feb 27, 2018·6 cites·8 claims
- 0692USRE46294EVariable displacement pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Jan 31, 2017·4 cites·26 claims
- 0792US9494153B2Variable displacement oil pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Nov 15, 2016·8 cites·11 claims
- 0889US9133842B2Variable displacement pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Sep 15, 2015·5 cites·2 claims
- 0989US7827947B2Variable displacement pump, valve timing control device using the variable displacement pump, and valve timing control system using the variable displacement pump, for use in internal combustion enginesHITACHI LTD·Filed 2008·Granted Nov 9, 2010·11 cites·20 claims
- 1088US9347344B2Variable-capacity oil pump and oil supply system using sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted May 24, 2016·5 cites·8 claims
- 1188US7290995B2Tandem type trochoid pump and method of assembling the sameHITACHI LTD·Filed 2005·Granted Nov 6, 2007·19 cites·19 claims
- 1287US8613610B2Variable displacement pumpSAGA KOJI·Filed 2010·Granted Dec 24, 2013·6 cites·18 claims
- 1385US8142173B2Variable displacement vane pumpSAGA KOJI·Filed 2009·Granted Mar 27, 2012·9 cites·20 claims
- 1485US6352085B1Pressure relief valveUNISIA JECS CORP·Filed 1999·Granted Mar 5, 2002·45 cites·19 claims
- 1584US11168684B2Variable displacement pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Nov 9, 2021·2 cites·14 claims
- 1681US9534596B2Variable displacement pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Jan 3, 2017·3 cites·9 claims
- 1780US8834132B2Apparatus having control valve and variable capacitance pump and hydraulic pressure circuit of internal combustion engine in which the same apparatus is usedKATO HIROYUKI·Filed 2010·Granted Sep 16, 2014·3 cites·7 claims
- 1879US9004882B2Variable displacement vane pump having multiple dampening springsOHNISHI HIDEAKI·Filed 2012·Granted Apr 14, 2015·3 cites·20 claims
- 1979US6544021B2Oil pumpUNISIA JECS CORP·Filed 2001·Granted Apr 8, 2003·17 cites·14 claims
- 2076US9556867B2Vane pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Jan 31, 2017·2 cites·20 claims
- 2176US8545200B2Variable displacement oil pumpWATANABE YASUSHI·Filed 2010·Granted Oct 1, 2013·3 cites·19 claims
- 2272US5710347AMethod of producing a high-melting powder of 2,2-bis 4'-(2",3"-dibromopropoxy)-3',5'-dibromophenyl!-propaneDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1995·Granted Jan 20, 1998·13 cites·5 claims
- 2369US9518484B2Variable displacement pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Dec 13, 2016·1 cites·18 claims
- 2468US8075284B2Oil pumpMORITA SHOJI·Filed 2005·Granted Dec 13, 2011·4 cites·17 claims
- 2568US6086337AVariable capacity pumpUNISIA JECS CORP·Filed 1998·Granted Jul 11, 2000·19 cites·5 claims
- 2664US9046100B2Variable vane pump with communication groove in the cam ringHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Jun 2, 2015·0 cites·12 claims
- 2762US10941681B2Oil pump and balancer unit of oil pump integrated typeHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Mar 9, 2021·0 cites·20 claims
- 2859US2014234128A1Apparatus Having Control Valve and Variable Capacitance Pump and Hydraulic Pressure Circuit of Internal Combustion Engine in which the Same Apparatus is UsedHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Application pending·0 cites
- 2958US5710309AProcess for producing tris (tribromoneopentyl) phosphateDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1996·Granted Jan 20, 1998·7 cites·4 claims
- 3056US7361002B2Oil pumpHITACHI LTD·Filed 2004·Granted Apr 22, 2008·5 cites·21 claims
- 3156US6242737B1Microscopic system equipt with an electron microscope and a scanning probe microscopeJAPAN SCIENCE & TECH CORP·Filed 1998·Granted Jun 5, 2001·26 cites·3 claims
- 3255US2011189043A1Vane pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2011·Application pending·0 cites
- 3348US11415128B2Variable displacement pump and control method thereforHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Aug 16, 2022·0 cites·17 claims
- 3446US2020141407A1PumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Application pending·0 cites
- 3545US10947973B2Variable capacity oil pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Mar 16, 2021·0 cites·16 claims
- 3645US9453440B2Oil pump for internal combustion engine, and relief pressure control apparatus for oil pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Sep 27, 2016·0 cites·14 claims
- 3744US11215178B2Variable capacity pump and working oil supply system for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Jan 4, 2022·0 cites·11 claims
- 3844US2019219053A1Variable capacity pump and working oil supply system for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Application pending·0 cites
- 3942US11905948B2Variable displacement oil pump including swing memberHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Feb 20, 2024·0 cites·11 claims
- 4042US10947972B2Variable displacement-type oil pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Mar 16, 2021·0 cites·12 claims
- 4142US2011194967A1Variable displacement pump, oil jet and lublicating system using variable displacement pumpHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2011·Application pending·0 cites
- 4241US7704061B2Oil pumpHITACHI LTD·Filed 2004·Granted Apr 27, 2010·0 cites·19 claims
- 4341US2012213655A1Oil PumpOHNISHI HIDEAKI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →