Inventor · disambiguated record
Hiroaki Isoshima
Also filed as: ISOSHIMA HIROAKI
6 granted patents·12 citations·filing 1998–2020
74Inventor score
Files withKUBOTA KK6
Top patents by PatentIndex Score
6 records- 0193US11274627B2Spark ignition engineKUBOTA KK·Filed 2020·Granted Mar 15, 2022·2 cites·20 claims
- 0289US11280233B2Ventilator-equipped engineKUBOTA KK·Filed 2020·Granted Mar 22, 2022·2 cites·11 claims
- 0349US10975742B2Blow-by gas return deviceKUBOTA KK·Filed 2018·Granted Apr 13, 2021·0 cites·16 claims
- 0447US10774704B2Engine head coverKUBOTA KK·Filed 2017·Granted Sep 15, 2020·0 cites·13 claims
- 0533US5960751AInclined engine with governor gearKUBOTA KK·Filed 1998·Granted Oct 5, 1999·6 cites·6 claims
- 0620US6155222AOverhead valve engineKUBOTA KK·Filed 1999·Granted Dec 5, 2000·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →