Inventor · disambiguated record
Hidetomo Umehara
Also filed as: UMEHARA HIDETOMO
3 granted patents·21 citations·filing 1975–1977
68Inventor score
Files withTOYOTA MOTOR CO LTD3
Top patents by PatentIndex Score
3 records- 0141US4125091AMethod and equipment for control of internal combustion engine with fuel-reforming deviceTOYOTA MOTOR CO LTD·Filed 1977·Granted Nov 14, 1978·7 cites·17 claims
- 0241US4002150AGas generator for mounting on an automobileTOYOTA MOTOR CO LTD·Filed 1975·Granted Jan 11, 1977·7 cites·11 claims
- 0339US4119061AMethod and equipment for control of internal combustion engine including a fuel-reforming deviceTOYOTA MOTOR CO LTD·Filed 1977·Granted Oct 10, 1978·7 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Hidetomo 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 →