Inventor · disambiguated record
Takahiro Umehara
Also filed as: UMEHARA TAKAHIRO
13 granted patents·7 pending applications·9 citations·filing 2009–2024
82Inventor score
Files withTOYOTA MOTOR CO LTD18HASEGAWA TAKAHIKO1UNIV OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH JAPAN1
Top patents by PatentIndex Score
20 records- 0180US10511227B2Fuel cell system and method for controlling the fuel cell systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Dec 17, 2019·1 cites·8 claims
- 0274US2025300204A1Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0373US2025046836A1Air-cooled fuel cell systemTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0473US2025046834A1Air-cooled fuel cell systemTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0573US2025046833A1Air-cooled fuel cell systemTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0667US12119736B2Power supply unit capable of reducing possibility of overcurrent and current shortageTOYOTA MOTOR CO LTD·Filed 2022·Granted Oct 15, 2024·0 cites·9 claims
- 0767US9024598B2Converter control deviceHASEGAWA TAKAHIKO·Filed 2009·Granted May 5, 2015·8 cites·1 claims
- 0864US2022293982A1Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 0961US11722047B2Voltage converterTOYOTA MOTOR CO LTD·Filed 2022·Granted Aug 8, 2023·0 cites·2 claims
- 1057US11831055B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2022·Granted Nov 28, 2023·0 cites·7 claims
- 1157US2023378786A1Power supply control apparatus and electric discharge methodTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 1256US12362372B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2022·Granted Jul 15, 2025·0 cites·4 claims
- 1353US2025224264A1Method for measuring flow property of liquid and measuring instrumentUNIV OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH JAPAN·Filed 2023·Application pending·0 cites
- 1452US11142093B2Fuel cell vehicle and method for controlling the sameTOYOTA MOTOR CO LTD·Filed 2019·Granted Oct 12, 2021·0 cites·5 claims
- 1552US10573909B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2017·Granted Feb 25, 2020·0 cites·4 claims
- 1648US12491856B2StructureTOYOTA MOTOR CO LTD·Filed 2022·Granted Dec 9, 2025·0 cites·3 claims
- 1748US11973411B2Power supply unit with current controlTOYOTA MOTOR CO LTD·Filed 2022·Granted Apr 30, 2024·0 cites·2 claims
- 1846US10693163B2Fuel cell system and vehicleTOYOTA MOTOR CO LTD·Filed 2018·Granted Jun 23, 2020·0 cites·5 claims
- 1944US10818945B2Voltage control system, fuel cell system, and control method for voltage control systemTOYOTA MOTOR CO LTD·Filed 2017·Granted Oct 27, 2020·0 cites·16 claims
- 2040US11214151B2Voltage control system with addition term and fuel cell systemTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 4, 2022·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Takahiro Umehara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →