Inventor · disambiguated record
Tadao Hirai
Also filed as: HIRAI TADAO
4 granted patents·24 citations·filing 2000–2011
70Inventor score
Top patents by PatentIndex Score
4 records- 0166US8838348B2Drive system control device for working vehicleOOUCHIDA TAKESHI·Filed 2011·Granted Sep 16, 2014·4 cites·3 claims
- 0263US6450309B1Transmission system structure of vehicleYANMAR DIESEL ENGINE CO·Filed 2000·Granted Sep 17, 2002·18 cites·22 claims
- 0352US9079576B2Drive system control device for working vehicleOOUCHIDA TAKESHI·Filed 2011·Granted Jul 14, 2015·2 cites·1 claims
- 0424US9180884B2Drive system control device for working vehicleSHIOIRI MOTOYUKI·Filed 2011·Granted Nov 10, 2015·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →