Inventor · disambiguated record
Yasutaka Nagai
Also filed as: NAGAI YASUTAKA · NAKAMURA HIDEO
16 granted patents·2 pending applications·512 citations·filing 1975–2016
94Inventor score
Files withDAINIPPON PHARMACEUTICAL CO4TAKAGI NOBUYUKI2TOSHIBA KK2TOYOTA MOTOR CO LTD2FUJI PHOTO OPTICAL CO LTD1
Top patents by PatentIndex Score
18 records- 0187US8105561B2Catalyst for purification of exhaust gas, regeneration method for the catalyst, and apparatus and method for purification of exhaust gas using the catalystHATANAKA MIHO·Filed 2006·Granted Jan 31, 2012·18 cites·18 claims
- 0285US6133185AExhaust gas purifying catalystTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 17, 2000·67 cites·5 claims
- 0383US3983239AHexahydro-γ-carboline derivatives and their saltsDAINIPPON PHARMACEUTICAL CO·Filed 1975·Granted Sep 28, 1976·12 cites·16 claims
- 0481US7247597B2Composite oxide, process for producing the same, and exhaust gas reducing co-catalystTOYOTA CHUO KENKYUSHO KK·Filed 2002·Granted Jul 24, 2007·20 cites·9 claims
- 0579US8389435B2Metal oxide catalyst carrier particle and exhaust gas purification catalystMIURA MASAHIDE·Filed 2007·Granted Mar 5, 2013·5 cites·15 claims
- 0672US5662116AMulti-plane electronic scan ultrasound probeFUJI PHOTO OPTICAL CO LTD·Filed 1996·Granted Sep 2, 1997·191 cites·8 claims
- 0772US5300355AVibration damping materialNICHIAS CORP·Filed 1992·Granted Apr 5, 1994·45 cites·5 claims
- 0872US4237135A2-(4-Ethyl-1-piperazinyl)-4-phenylquinoline, process for preparation thereof, and composition thereofDAINIPPON PHARMACEUTICAL CO·Filed 1979·Granted Dec 2, 1980·6 cites·9 claims
- 0971US4238620ADibenz[b,f]oxepin and dibenzo[b,f]thiepin derivatives, process for preparation thereof, method of using the same, and compositions thereofDAINIPPON PHARMACEUTICAL CO·Filed 1979·Granted Dec 9, 1980·8 cites·10 claims
- 1068US4676106AUltrasonic transducerTOSHIBA KK·Filed 1985·Granted Jun 30, 1987·25 cites·7 claims
- 1166US5469852AUltrasound diagnosis apparatus and probe thereforTOSHIBA KK·Filed 1994·Granted Nov 28, 1995·113 cites·55 claims
- 1262US8601794B2Apparatus and method for regenerating catalyst for purifying exhaust gasYAMATO MASANORI·Filed 2008·Granted Dec 10, 2013·2 cites·12 claims
- 1346US8225601B2Exhaust gas purification system for internal combustion engineTAKAGI NOBUYUKI·Filed 2007·Granted Jul 24, 2012·0 cites·11 claims
- 1446US2009105070A1Catalyst for Purification of Exhaust GasTANABE TOSHITAKA·Filed 2007·Application pending·0 cites
- 1545US9005558B2Method and apparatus for exhaust gas control of an internal combustion engineWATANABE MASAO·Filed 2012·Granted Apr 14, 2015·0 cites·12 claims
- 1643US2009266053A1Exhaust gas purification system for internal combustion engineTAKAGI NOBUYUKI·Filed 2007·Application pending·0 cites
- 1741US9951670B2Exhaust gas purification apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Apr 24, 2018·0 cites·7 claims
- 1833US4256753A4-(2-Pyridylamino)phenylacetic acid derivativesDAINIPPON PHARMACEUTICAL CO·Filed 1979·Granted Mar 17, 1981·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →