Inventor · disambiguated record
Hirokazu Otsubo
Also filed as: OTSUBO HIROKAZU
17 granted patents·83 citations·filing 2006–2021
91Inventor score
Top patents by PatentIndex Score
17 records- 0190US11174990B2TankTOYOTA MOTOR CO LTD·Filed 2018·Granted Nov 16, 2021·5 cites·12 claims
- 0288US8727174B2Tank and manufacturing method thereofOTSUBO HIROKAZU·Filed 2009·Granted May 20, 2014·24 cites·10 claims
- 0386US7971852B2Seal structure of high-pressure tankTOYOTA MOTOR CO LTD·Filed 2006·Granted Jul 5, 2011·19 cites·6 claims
- 0484US9879825B2High-pressure tank and manufacturing method of high-pressure tankKANEKO TOMONORI·Filed 2010·Granted Jan 30, 2018·11 cites·9 claims
- 0579US10158130B2High-pressure tankTOYOTA MOTOR CO LTD·Filed 2016·Granted Dec 18, 2018·1 cites·4 claims
- 0675US8740009B2Tank and manufacturing method thereofOTSUKA RIKI·Filed 2009·Granted Jun 3, 2014·10 cites·4 claims
- 0772US8087537B2Pressure containerOTSUBO HIROKAZU·Filed 2007·Granted Jan 3, 2012·8 cites·10 claims
- 0865US9316359B2Tank and manufacturing method thereofOTSUKA RIKI·Filed 2009·Granted Apr 19, 2016·4 cites·7 claims
- 0962US11092286B2High pressure tankTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 17, 2021·0 cites·4 claims
- 1059US9840048B2Manufacturing method for high-pressure tank, and high-pressure tankOTSUBO HIROKAZU·Filed 2012·Granted Dec 12, 2017·1 cites·9 claims
- 1155US11333299B2High pressure tankTOYOTA MOTOR CO LTD·Filed 2019·Granted May 17, 2022·0 cites·3 claims
- 1254US11821586B2Manufacturing method of high-pressure tankTOYOTA MOTOR CO LTD·Filed 2021·Granted Nov 21, 2023·0 cites·2 claims
- 1353US10982810B2High-pressure tankTOYOTA MOTOR CO LTD·Filed 2017·Granted Apr 20, 2021·0 cites·5 claims
- 1453US10591113B2Pressure vesselTOYOTA MOTOR CO LTD·Filed 2017·Granted Mar 17, 2020·0 cites·4 claims
- 1553US10533706B2Fuel cell system and control method for fuel cell systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 14, 2020·0 cites·10 claims
- 1652US11285658B2Manufacturing method for high pressure tankTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 29, 2022·0 cites·2 claims
- 1747US10538029B2Method of manufacturing high pressure gas tankTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 21, 2020·0 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Hirokazu Otsubo 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 →