Inventor · disambiguated record
Keiichirou Ishihara
Also filed as: ISHIHARA KEIICHIROU
9 granted patents·1 pending application·16 citations·filing 1998–2024
80Inventor score
Top patents by PatentIndex Score
10 records- 0190US11674477B2Leak hole determination device of evaporated fuel processing deviceDENSO CORP·Filed 2021·Granted Jun 13, 2023·2 cites·14 claims
- 0280US10473062B2Fuel vapor processing deviceDENSO CORP·Filed 2018·Granted Nov 12, 2019·3 cites·13 claims
- 0378US2025059938A1Malfunction diagnosis device for leakage diagnosis deviceDENSO CORP·Filed 2024·Application pending·0 cites
- 0475US12163493B2Malfunction diagnosis device for leakage diagnosis deviceDENSO CORP·Filed 2023·Granted Dec 10, 2024·0 cites·5 claims
- 0571US10801917B2Fuel vapor processing deviceDENSO CORP·Filed 2018·Granted Oct 13, 2020·1 cites·14 claims
- 0668US12018679B2Vane pumpDENSO CORP·Filed 2022·Granted Jun 25, 2024·0 cites·8 claims
- 0755US11428222B2Vane pumpDENSO CORP·Filed 2020·Granted Aug 30, 2022·0 cites·5 claims
- 0851US11136943B2Evaporative fuel processing systemDENSO CORP·Filed 2019·Granted Oct 5, 2021·0 cites·11 claims
- 0948US11603809B2Malfunction diagnostic device for leakage diagnostic deviceDENSO CORP·Filed 2021·Granted Mar 14, 2023·0 cites·8 claims
- 1040US6181455B1Cylindrical lens and optical scanning device using the lensCANON KK·Filed 1998·Granted Jan 30, 2001·10 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →