Inventor · disambiguated record
Shiro Kumagai
Also filed as: KUMAGAI SHIRO
6 granted patents·115 citations·filing 1987–1998
85Inventor score
Files withMITSUBISHI MOTORS CORP6
Top patents by PatentIndex Score
6 records- 0165US4817385ATemperature control apparatus for vehicular catalytic convertersMITSUBISHI MOTORS CORP·Filed 1987·Granted Apr 4, 1989·30 cites·9 claims
- 0263US6588205B1Exhaust gas purifying apparatusMITSUBISHI MOTORS CORP·Filed 1998·Granted Jul 8, 2003·33 cites·10 claims
- 0362US5095878AAir/fuel ratio control system for internal combustion engineMITSUBISHI MOTORS CORP·Filed 1990·Granted Mar 17, 1992·20 cites·11 claims
- 0457US4912926AAir/fuel ratio control system for internal combustion engineMITSUBISHI MOTORS CORP·Filed 1988·Granted Apr 3, 1990·12 cites·14 claims
- 0549US5033440AApparatus for controlling air/fuel ratio of internal combustion engineMITSUBISHI MOTORS CORP·Filed 1990·Granted Jul 23, 1991·12 cites·9 claims
- 0638US5077971AAir/fuel ratio control system for an internal combustion engineMITSUBISHI MOTORS CORP·Filed 1990·Granted Jan 7, 1992·8 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →