Inventor · disambiguated record
Hidefumi Sonoda
Also filed as: SONODA HIDEFUMI
5 granted patents·164 citations·filing 1988–1990
83Inventor score
Files withTOYOTA MOTOR CO LTD5
Top patents by PatentIndex Score
5 records- 0192US4872439ADevice for preventing outflow of a fuel vapor from a fuel tankTOYOTA MOTOR CO LTD·Filed 1988·Granted Oct 10, 1989·72 cites·20 claims
- 0270US4986840ACharcoal canister for use in a fuel purge system of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1989·Granted Jan 22, 1991·22 cites·10 claims
- 0366US4809865AFuel tank for use in a vehicleTOYOTA MOTOR CO LTD·Filed 1988·Granted Mar 7, 1989·25 cites·19 claims
- 0465US5080421AApparatus for preventing discharge of fuel vaporTOYOTA MOTOR CO LTD·Filed 1990·Granted Jan 14, 1992·30 cites·6 claims
- 0552US5067468AApparatus for preventing discharge of fuel vaporTOYOTA MOTOR CO LTD·Filed 1990·Granted Nov 26, 1991·15 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →