Inventor · disambiguated record
Shigeki Hasegawa
Also filed as: HASEGAWA SHIGEKI
46 granted patents·3 pending applications·12 citations·filing 2009–2023
95Inventor score
Top patents by PatentIndex Score
49 records- 0183US11088386B2Fuel cell monitoring device and method of determining state of fuel cellTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 10, 2021·2 cites·7 claims
- 0281US10777831B2Equation based cooling system control strategy/methodTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Sep 15, 2020·1 cites·15 claims
- 0380US10714769B2Fuel cell system with cathode purgingTOYOTA MOTOR CO LTD·Filed 2017·Granted Jul 14, 2020·2 cites·10 claims
- 0476US8765324B2Method for manufacturing membrane electrode assembly and solid polymer electrolyte fuel cellHASEGAWA SHIGEKI·Filed 2011·Granted Jul 1, 2014·2 cites·6 claims
- 0574US11094950B2Equation based state estimator for cooling system controllerTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Aug 17, 2021·2 cites·7 claims
- 0674US10720655B2Partial derivative based feedback controls for pidTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Jul 21, 2020·1 cites·20 claims
- 0769US12362373B2Fuel gas supply system for fuel cell and method of controlling fuel gas supply systemTOYOTA MOTOR CO LTD·Filed 2022·Granted Jul 15, 2025·0 cites·7 claims
- 0867US9991529B2Fuel cell system and operating method of a fuel cellHASEGAWA SHIGEKI·Filed 2009·Granted Jun 5, 2018·1 cites·23 claims
- 0967US8877393B2Fuel cellTAKEUCHI HIROAKI·Filed 2010·Granted Nov 4, 2014·1 cites·9 claims
- 1067US2024282990A1Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 1166US11450871B2Air supply control method to fuel cell systemTOYOTA ENG & MFG NORTH AMERICA·Filed 2021·Granted Sep 20, 2022·0 cites·20 claims
- 1263US11710838B2Air system pressure observer control method for fuel cell systemTOYOTA ENG & MFG NORTH AMERICA·Filed 2020·Granted Jul 25, 2023·0 cites·15 claims
- 1363US11548408B2Control systems and methods to meet fuel cell fuel demandTOYOTA ENG & MFG NORTH AMERICA·Filed 2021·Granted Jan 10, 2023·0 cites·20 claims
- 1460US11705565B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2021·Granted Jul 18, 2023·0 cites·1 claims
- 1560US11569516B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2021·Granted Jan 31, 2023·0 cites·2 claims
- 1659US11757118B2Fuel cell system and method of controlling fuel cellTOYOTA MOTOR CO LTD·Filed 2021·Granted Sep 12, 2023·0 cites·4 claims
- 1758US11362355B2Fuel cell system and anode off-gas discharge amount estimation systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Jun 14, 2022·0 cites·8 claims
- 1858US11223057B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Jan 11, 2022·0 cites·1 claims
- 1957US10811708B2Fuel cell system and control method thereofTOYOTA MOTOR CO LTD·Filed 2019·Granted Oct 20, 2020·0 cites·4 claims
- 2056US11837762B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2021·Granted Dec 5, 2023·0 cites·4 claims
- 2156US11152630B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Oct 19, 2021·0 cites·4 claims
- 2256US11081715B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 3, 2021·0 cites·7 claims
- 2355US10069159B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2014·Granted Sep 4, 2018·0 cites·9 claims
- 2454US11296334B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Apr 5, 2022·0 cites·2 claims
- 2553US10862143B2Turbo compressor path and rate controlTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Dec 8, 2020·0 cites·20 claims
- 2652US11217803B2Fuel cell system and method for inferring wet state of fuel cellTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 4, 2022·0 cites·8 claims
- 2752US9692058B2Electrode for fuel cell and production method of electrode for fuel cell, membrane electrode assembly and fuel cellHASEGAWA SHIGEKI·Filed 2012·Granted Jun 27, 2017·0 cites·12 claims
- 2851US10547070B2STL actuation-path planningTOYOTA ENG & MFG NORTH AMERICA·Filed 2018·Granted Jan 28, 2020·0 cites·20 claims
- 2950US10714773B2Cooling system dT/dt based controlTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Jul 14, 2020·0 cites·20 claims
- 3049US10971748B2Implementation of feedforward and feedback control in state mediatorTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Apr 6, 2021·0 cites·5 claims
- 3149US10714775B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2018·Granted Jul 14, 2020·0 cites·7 claims
- 3248US11611094B2Fuel cell system and method of controlling fuel cell systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 21, 2023·0 cites·1 claims
- 3348US11456469B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2021·Granted Sep 27, 2022·0 cites·9 claims
- 3448US10916788B2Hydrogen supply system low pressure state estimatorTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Feb 9, 2021·0 cites·20 claims
- 3548US8980038B2Method for producing membrane electrode assemblyTOYOTA MOTOR CO LTD·Filed 2012·Granted Mar 17, 2015·0 cites·4 claims
- 3648US2015207158A1Fuel cell system and its operating methodTOYOTA MOTOR CO LTD·Filed 2013·Application pending·0 cites
- 3747US9833770B2Catalyst production method, electrode catalyst for fuel cell produced by this method, and catalyst production apparatusHASEGAWA SHIGEKI·Filed 2012·Granted Dec 5, 2017·0 cites·17 claims
- 3847US9496560B2Fuel cell production methodHASEGAWA SHIGEKI·Filed 2011·Granted Nov 15, 2016·0 cites·4 claims
- 3947US9203101B2Method of manufacturing fuel cellHASEGAWA SHIGEKI·Filed 2011·Granted Dec 1, 2015·0 cites·6 claims
- 4046US10892500B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2018·Granted Jan 12, 2021·0 cites·12 claims
- 4146US10879546B2Fuel cell system and control method of fuel cell systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Dec 29, 2020·0 cites·7 claims
- 4246US10122035B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2017·Granted Nov 6, 2018·0 cites·13 claims
- 4345US11482719B2Equation based state estimate for air system controllerTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Oct 25, 2022·0 cites·20 claims
- 4444US10424796B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2017·Granted Sep 24, 2019·0 cites·7 claims
- 4543US2013022892A1Membrane electrode assembly, method of manufacture thereof, and fuel cellTOYOTA MOTOR CO LTD·Filed 2011·Application pending·0 cites
- 4640US10290883B2Fuel cell system and method of control of sameTOYOTA MOTOR CO LTD·Filed 2016·Granted May 14, 2019·0 cites·11 claims
- 4740US9954234B2Fuel cell system and control method thereofTOYOTA MOTOR CO LTD·Filed 2016·Granted Apr 24, 2018·0 cites·17 claims
- 4838US10180462B2Diagnostic deviceTOYOTA MOTOR CO LTD·Filed 2016·Granted Jan 15, 2019·0 cites·14 claims
- 4928US10276882B2Fuel cell system and method for controlling fuel cell systemTOYOTA MOTOR CO LTD·Filed 2015·Granted Apr 30, 2019·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →