Inventor · disambiguated record
Ryu Hamaguchi
Also filed as: HAMAGUCHI RYU
2 granted patents·3 pending applications·5 citations·filing 2006–2024
47Inventor score
Top patents by PatentIndex Score
5 records- 0143US8534569B2Cooling device for vehicleHAMAGUCHI RYU·Filed 2008·Granted Sep 17, 2013·4 cites·2 claims
- 0242US7814870B2Warming-up device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Oct 19, 2010·1 cites·6 claims
- 0338US2025327428A1Control device for hydrogen engineTOYOTA JIIDOSHA KK·Filed 2024·Application pending·0 cites
- 0435US2009277411A1Warming-up device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Application pending·0 cites
- 0527US2015176479A1Open-close control apparatus for oil drain holeHAMAGUCHI RYU·Filed 2013·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →