Inventor · disambiguated record
Ryuichiro Imai
Also filed as: IMAI RYUICHIRO
6 granted patents·122 citations·filing 1990–2019
84Inventor score
Top patents by PatentIndex Score
6 records- 0174US5307670AMisfire discriminating method for an engineFUJI HEAVY IND LTD·Filed 1991·Granted May 3, 1994·32 cites·26 claims
- 0273US5287282AMisfire diagnosis apparatus for an internal combustion engineFUJI HEAVY IND LTD·Filed 1991·Granted Feb 15, 1994·37 cites·1 claims
- 0370US5426587AMisfire discriminating method for an engineFUJI HEAVY IND LTD·Filed 1993·Granted Jun 20, 1995·27 cites·2 claims
- 0457US5268843AEngine misfiring determining deviceFUJI HEAVY IND LTD·Filed 1990·Granted Dec 7, 1993·17 cites·2 claims
- 0549US5222394ASystem for detecting combustion condition of an internal combustion engineFUJI HEAVY IND LTD·Filed 1992·Granted Jun 29, 1993·9 cites·6 claims
- 0648US11436875B2Protocol conversion device and vehicle diagnostic systemSUBARU CORP·Filed 2019·Granted Sep 6, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →