Inventor · disambiguated record
Hisao Ogawa
Also filed as: OGAWA HISAO
33 granted patents·5 pending applications·354 citations·filing 1989–2025
97Inventor score
Files withMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD9HITACHI LTD8MITSUBISHI HEAVY IND LTD8NIPPON OILS & FATS CO LTD5NEC CORP3
Top patents by PatentIndex Score
38 records- 0188US5100969APigment dispersing agentNIPPON OILS & FATS CO LTD·Filed 1989·Granted Mar 31, 1992·51 cites·4 claims
- 0282US2025290479A1Fuel pumpMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2025·Application pending·0 cites
- 0379US5187229APigment dispersing agentNIPPON OILS & FATS CO LTD·Filed 1991·Granted Feb 16, 1993·34 cites·4 claims
- 0477US7383819B1Electromagnetic valve device and fuel injection apparatus with the valve deviceMITSUBISHI HEAVY IND LTD·Filed 2007·Granted Jun 10, 2008·11 cites·4 claims
- 0577US5585662ASemiconductor integrated circuit device with breakable fuse element covered with exactly controlled insulating filmNEC CORP·Filed 1994·Granted Dec 17, 1996·56 cites·6 claims
- 0673US5345566AMethod and apparatus for controlling dual bus systemHITACHI LTD·Filed 1992·Granted Sep 6, 1994·64 cites·7 claims
- 0771US2024295203A1Fuel pumpMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2022·Application pending·0 cites
- 0868US5025061AAqueous dispersion coating materialNIPPON OILS & FATS CO LTD·Filed 1990·Granted Jun 18, 1991·30 cites·7 claims
- 0967US5244979APigment dispersing agentNIPPON OILS & FATS CO LTD·Filed 1991·Granted Sep 14, 1993·22 cites·8 claims
- 1065US7415972B2Fuel injection apparatus for enginesMITSUBISHI HEAVY IND LTD·Filed 2007·Granted Aug 26, 2008·4 cites·4 claims
- 1165US6782202B2Optical communication method, optical linking device and optical communication systemHITACHI LTD·Filed 2001·Granted Aug 24, 2004·6 cites·5 claims
- 1264US7448592B2Poppet valve device and electronic controlled fuel injection apparatus equipped with the deviceMITSUBISHI HEAVY IND LTD·Filed 2005·Granted Nov 11, 2008·2 cites·5 claims
- 1361US6934516B2Radio network systemHITACHI LTD·Filed 2003·Granted Aug 23, 2005·7 cites·35 claims
- 1460US7597305B2Poppet valve device and electronic controlled fuel injection apparatus equipped with the deviceMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Oct 6, 2009·1 cites·6 claims
- 1558US11913414B2Cam, fuel injection pump, and engineMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2021·Granted Feb 27, 2024·0 cites·19 claims
- 1656US6625421B1Radio network systemHITACHI LTD·Filed 2000·Granted Sep 23, 2003·4 cites·2 claims
- 1755US11906003B2Coupling device and rotational phase adjustment method for coupling deviceMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2020·Granted Feb 20, 2024·0 cites·9 claims
- 1854US12372051B2Fuel pumpMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2022·Granted Jul 29, 2025·0 cites·17 claims
- 1954US7311085B2Electromagnetic controlled fuel injection apparatusMITSUBISHI HEAVY IND LTD·Filed 2005·Granted Dec 25, 2007·1 cites·6 claims
- 2054US7261090B2Electromagnetic controlled fuel injectorMITSUBISHI HEAVY IND LTD·Filed 2005·Granted Aug 28, 2007·1 cites·6 claims
- 2153US12473880B2Solenoid device and electromagnetic valve for fuel injection systemMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2022·Granted Nov 18, 2025·0 cites·5 claims
- 2249US8857789B2Solenoid type electromagnetic valve deviceOGAWA HISAO·Filed 2009·Granted Oct 14, 2014·2 cites·5 claims
- 2348US2024254954A1Solenoid device and solenoid valve of fuel injection deviceMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2022·Application pending·0 cites
- 2447US12258928B2Fuel injector, and method for driving fuel injectorMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2022·Granted Mar 25, 2025·0 cites·8 claims
- 2547US7558483B2Optical communication method, optical linking device and optical communication systemHITACHI LTD·Filed 2004·Granted Jul 7, 2009·0 cites·1 claims
- 2647US7467781B2Poppet valve device and electronic controlled fuel injection apparatus equipped with the deviceMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Dec 23, 2008·0 cites·5 claims
- 2747US2024247627A1Fuel pressure accumulating deviceMITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD·Filed 2022·Application pending·0 cites
- 2843US6249363B1Optical communication method, optical linking device and optical communication systemHITACHI LTD·Filed 1998·Granted Jun 19, 2001·9 cites·7 claims
- 2943US5497374AData transmission method and system thereofHITACHI LTD·Filed 1994·Granted Mar 5, 1996·14 cites·5 claims
- 3043US5426638ATransmission method and system thereofHITACHI LTD·Filed 1990·Granted Jun 20, 1995·14 cites·1 claims
- 3142US5917333ASemiconductor integrated circuit device with diagnostic circuit using resistorNEC CORP·Filed 1997·Granted Jun 29, 1999·9 cites·20 claims
- 3241US8602322B2Fuel injection valve of accumulator injection systemOGAWA HISAO·Filed 2008·Granted Dec 10, 2013·0 cites·3 claims
- 3341US2010200678A1Fuel injection valve of accumulator injection systemOGAWA HISAO·Filed 2008·Application pending·0 cites
- 3437US5202364AAqueous dispersion coating material containing epoxy denatured alkydNIPPON OILS & FATS CO LTD·Filed 1991·Granted Apr 13, 1993·5 cites·10 claims
- 3534US8813721B2Pressure fluctuation control device for controlling pressure fluctuation in upstream side of common railKATO KENSHO·Filed 2009·Granted Aug 26, 2014·0 cites·5 claims
- 3632USD562850SMagnetic valve unit for a fuel injection pumpMITSUBISHI HEAVY IND LTD·Filed 2005·Granted Feb 26, 2008·1 cites·1 claims
- 3730US5324984ASemiconductor device with improved electrode structureNEC CORP·Filed 1992·Granted Jun 28, 1994·1 cites·8 claims
- 3830US4900385AMethod for forming containerSEKISUI PLASTICS·Filed 1989·Granted Feb 13, 1990·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →