Inventor · disambiguated record
Kouhei Igarashi
Also filed as: IGARASHI KOUHEI
19 granted patents·1 pending application·1,292 citations·filing 1982–2022
96Inventor score
Top patents by PatentIndex Score
20 records- 0197US6345496B1Method and device for purifying exhaust gas of an engineTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 12, 2002·158 cites·124 claims
- 0297US6032461AExhaust emission control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Mar 7, 2000·134 cites·13 claims
- 0397US5746052AExhaust gas purification device for an engineTOYOTA MOTOR CO LTD·Filed 1995·Granted May 5, 1998·132 cites·27 claims
- 0497US5740669AExhaust gas purification device for an engineTOYOTA MOTOR CO LTD·Filed 1995·Granted Apr 21, 1998·114 cites·5 claims
- 0596US6047542AMethod and device for purifying exhaust gas of engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Apr 11, 2000·148 cites·86 claims
- 0695US5964088ADevice for purifying exhaust gas of engineTOYOTA MOTOR CO LTD·Filed 1997·Granted Oct 12, 1999·114 cites·43 claims
- 0794US4622637AOptimum shift timing indicating device for a vehicleTOYOTA MOTOR CO LTD·Filed 1983·Granted Nov 11, 1986·53 cites·20 claims
- 0890US6119452ADevice for purifying exhaust gas of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 19, 2000·91 cites·13 claims
- 0989US5782087ADevice for purifying exhaust gas of an engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Jul 21, 1998·70 cites·13 claims
- 1088US4492112AOptimum shift position indicating device of vehicleTOYOTA MOTOR CO LTD·Filed 1982·Granted Jan 8, 1985·40 cites·11 claims
- 1185US6133185AExhaust gas purifying catalystTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 17, 2000·67 cites·5 claims
- 1279US5783160AMethod for purifying combustion exhaust gasTOYOTA MOTOR CO LTD·Filed 1996·Granted Jul 21, 1998·52 cites·13 claims
- 1377US5924406AApparatus for controlling auxiliary equipment driven by an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1997·Granted Jul 20, 1999·56 cites·16 claims
- 1467US7663276B2Optical encoder device for small-sized motorMABUCHI MOTOR CO·Filed 2008·Granted Feb 16, 2010·4 cites·7 claims
- 1566US7362242B2Optical encoder device for small-sized motor and method of producing the sameMABUCHI MOTOR CO·Filed 2006·Granted Apr 22, 2008·4 cites·6 claims
- 1665US7414238B2Optical encoder device for small-sized motor and method of producing the sameMABUCHI MOTOR CO·Filed 2005·Granted Aug 19, 2008·5 cites·7 claims
- 1761US5554342AElectrical heating type catalytic deviceTOYOTA MOTOR CO LTD·Filed 1995·Granted Sep 10, 1996·23 cites·25 claims
- 1861US2023366786A1Hair collection toolADERANS KK·Filed 2022·Application pending·0 cites
- 1957US6409973B1Exhaust gas purification device for an engineTOYOTA MOTOR CO LTD·Filed 1995·Granted Jun 25, 2002·16 cites·2 claims
- 2040US5893385ALiquid discharging device for discharging liquid stored on a bottom wall of an interior of a compressed natural gas tank of a vehicleTOYOTA MOTOR CO LTD·Filed 1997·Granted Apr 13, 1999·11 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →