Inventor · disambiguated record
Kazuhiro Hirakawa
Also filed as: HIRAKAWA KAZUHIRO
4 granted patents·2 citations·filing 2011–2014
57Inventor score
Top patents by PatentIndex Score
4 records- 0175US9102992B2Method for improving fatigue strength of cast iron materialNOZAKI YOSHIHIKO·Filed 2011·Granted Aug 11, 2015·2 cites·1 claims
- 0244US9340846B2Method for improving fatigue strength of cast iron materialNOZAKI YOSHIHIKO·Filed 2011·Granted May 17, 2016·0 cites·1 claims
- 0343US9657362B2Method for improving durability of exhaust pipeUD TRUCKS CORP·Filed 2014·Granted May 23, 2017·0 cites·5 claims
- 0443US9464335B2Method for improving fatigue strength of cast iron materialNOZAKI YOSHIHIKO·Filed 2011·Granted Oct 11, 2016·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →