Inventor · disambiguated record
Noriaki Kumagai
Also filed as: KUMAGAI NORIAKI
24 granted patents·2 pending applications·93 citations·filing 1990–2023
94Inventor score
Top patents by PatentIndex Score
26 records- 0195US9163541B2Control device for an electrically heated catalyst, and electrode deterioration degree estimation device for an electrically heated catalystKUMAGAI NORIAKI·Filed 2011·Granted Oct 20, 2015·18 cites·6 claims
- 0290US8661796B2Vehicle control deviceYOSHIOKA MAMORU·Filed 2010·Granted Mar 4, 2014·10 cites·11 claims
- 0382US8784741B2Electrically-heated catalytic converterYOSHIOKA MAMORU·Filed 2010·Granted Jul 22, 2014·8 cites·8 claims
- 0478US8826643B2Exhaust gas purifying device for internal combustion engineYOSHIOKA MAMORU·Filed 2010·Granted Sep 9, 2014·4 cites·5 claims
- 0577US6232506B1Process for producing 6-methyl-3-hepten-2-one and 6-methyl-2-heptanone analogues, and process for producing phytone or isophytolKURARAY CO·Filed 1999·Granted May 15, 2001·16 cites·15 claims
- 0673US8997470B2Exhaust gas purifying device for internal combustion engineYOSHIOKA MAMORU·Filed 2010·Granted Apr 7, 2015·3 cites·10 claims
- 0770US9060387B2Electric heating catalystYOSHIOKA MAMORU·Filed 2010·Granted Jun 16, 2015·2 cites·4 claims
- 0870US8863498B2Exhaust gas purification apparatus of an internal combustion engineYOSHIOKA MAMORU·Filed 2010·Granted Oct 21, 2014·2 cites·5 claims
- 0970US5955636AProcess for producing 6-methyl-3-hepten-2-one and 6-methyl-2-heptanone analogues, and process for producing phyton or isophytolKURARAY CO·Filed 1997·Granted Sep 21, 1999·11 cites·15 claims
- 1069US10648388B2Method for controlling an internal combustion engine having an exhaust system component including a self-healing ceramic materialTOYOTA MOTOR CO LTD·Filed 2014·Granted May 12, 2020·2 cites·5 claims
- 1168US8667781B2Vehicle control deviceYOSHIOKA MAMORU·Filed 2010·Granted Mar 11, 2014·2 cites·5 claims
- 1262US9222387B2Control apparatus for an internal combustion engineKUMAGAI NORIAKI·Filed 2012·Granted Dec 29, 2015·3 cites·7 claims
- 1361US9131535B2Electric heating catalystYOSHIOKA MAMORU·Filed 2010·Granted Sep 8, 2015·1 cites·6 claims
- 1461US8938952B2Electric heating catalystKUMAGAI NORIAKI·Filed 2010·Granted Jan 27, 2015·1 cites·6 claims
- 1557US11761373B1Vehicle cooling deviceTOYOTA MOTOR CO LTD·Filed 2023·Granted Sep 19, 2023·0 cites·4 claims
- 1656US5066826AProcess for racemization of optically active 4-phenylbutanoic acid estersKURARAY CO·Filed 1990·Granted Nov 19, 1991·5 cites·6 claims
- 1751US2023228211A1Hybrid electric vehicleTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 1847US9470160B2Control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2014·Granted Oct 18, 2016·0 cites·4 claims
- 1947US8961884B2Electric heating catalystKUMAGAI NORIAKI·Filed 2011·Granted Feb 24, 2015·0 cites·4 claims
- 2046US9109490B2Electric heating catalystKUMAGAI NORIAKI·Filed 2011·Granted Aug 18, 2015·0 cites·6 claims
- 2145US8647584B2Electric heating catalystYOSHIOKA MAMORU·Filed 2010·Granted Feb 11, 2014·0 cites·4 claims
- 2244US8911674B2Electrically heated catalystYOSHIOKA MAMORU·Filed 2010·Granted Dec 16, 2014·0 cites·4 claims
- 2343US8647583B2Electric heating type catalyst and a method for manufacturing the sameYOSHIOKA MAMORU·Filed 2010·Granted Feb 11, 2014·0 cites·7 claims
- 2438US2012171082A1Electric heating catalystYOSHIOKA MAMORU·Filed 2010·Application pending·0 cites
- 2530US5132039ACleaning compositions and applications thereofNAGASE & CO LTD·Filed 1990·Granted Jul 21, 1992·3 cites·2 claims
- 2627US5218979AMethod of cleaning printed circuit boards with dimethylcyclooctadienesNAGASE & CO LTD·Filed 1992·Granted Jun 15, 1993·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →