Inventor · disambiguated record
Takamitsu Asanuma
Also filed as: ASANUMA TAKAMITSU
81 granted patents·18 pending applications·2,106 citations·filing 1993–2010
99Inventor score
Top patents by PatentIndex Score
99 records- 0198US6519933B2Internal combustion engine having variable valve control system and NOx catalystTOYOTA MOTOR CO LTD·Filed 2001·Granted Feb 18, 2003·84 cites·11 claims
- 0298US5402641AExhaust gas purification apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1993·Granted Apr 4, 1995·188 cites·25 claims
- 0397US5577382AExhaust purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1995·Granted Nov 26, 1996·109 cites·16 claims
- 0497US5483795AExhaust purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1994·Granted Jan 16, 1996·138 cites·18 claims
- 0596US5713199ADevice for detecting deterioration of NOx absorbentTOYOTA MOTOR CO LTD·Filed 1996·Granted Feb 3, 1998·128 cites·35 claims
- 0695US5735119AExhaust purification device of an engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Apr 7, 1998·109 cites·23 claims
- 0795US5423181AExhaust gas purification device of an engineTOYOTA MOTOR CO LTD·Filed 1993·Granted Jun 13, 1995·84 cites·10 claims
- 0894US6546721B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2001·Granted Apr 15, 2003·60 cites·38 claims
- 0994US5715679AExhaust purification device of an engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Feb 10, 1998·104 cites·21 claims
- 1093US6823664B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2002·Granted Nov 30, 2004·56 cites·17 claims
- 1193US6568178B2Device for purifying the exhaust gas of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted May 27, 2003·40 cites·21 claims
- 1291US6477834B1Exhaust emission controlling apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Nov 12, 2002·59 cites·13 claims
- 1391US5848529AApparatus and method for purifying exhaust gas in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1997·Granted Dec 15, 1998·79 cites·2 claims
- 1490US6820418B2Exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2002·Granted Nov 23, 2004·46 cites·16 claims
- 1589US6729126B2Internal combustion engine having variable valve control system and NOx catalystTOYOTA MOTOR CO LTD·Filed 2002·Granted May 4, 2004·26 cites·8 claims
- 1689US6655133B2Exhaust gas purifier for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Dec 2, 2003·44 cites·22 claims
- 1788US7134274B2Exhaust gas control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Nov 14, 2006·23 cites·10 claims
- 1888US5974794AExhaust gas purification device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Nov 2, 1999·62 cites·13 claims
- 1986US7146800B2Exhaust purification device and exhaust purification method of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Dec 12, 2006·30 cites·19 claims
- 2085US6834496B2Exhaust gas purifying apparatus for internal combustion engine and control method thereofTOYOTA MOTOR CO LTD·Filed 2002·Granted Dec 28, 2004·48 cites·12 claims
- 2185US6823665B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 30, 2004·30 cites·12 claims
- 2285US6672050B2Exhaust gas purification device of an engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Jan 6, 2004·49 cites·18 claims
- 2382US7703275B2Exhaust purification device of compression ignition type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Apr 27, 2010·30 cites·17 claims
- 2482US6978603B2Exhaust gas control device-equipped internal combustion engine and exhaust gas control methodTOYOTA MOTOR CO LTD·Filed 2002·Granted Dec 27, 2005·28 cites·20 claims
- 2582US6898930B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2002·Granted May 31, 2005·28 cites·36 claims
- 2682US6381952B1Exhaust temperature raising apparatus and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2000·Granted May 7, 2002·42 cites·12 claims
- 2780US6901743B2Exhaust gas purifying method, exhaust gas purifying apparatus, and exhaust gas collecting apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Jun 7, 2005·36 cites·33 claims
- 2879US8209954B2Exhaust purification device of an internal combustion engineYOSHIDA KOHEI·Filed 2008·Granted Jul 3, 2012·10 cites·8 claims
- 2979US6644023B2Exhaust emission control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 11, 2003·26 cites·12 claims
- 3078US8156787B2Device for detection of sulfur concentration in fuel or oilASANUMA TAKAMITSU·Filed 2008·Granted Apr 17, 2012·6 cites·21 claims
- 3177US7409822B2Exhaust gas control apparatus and exhaust gas control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Aug 12, 2008·9 cites·8 claims
- 3276US7509801B2Exhaust gas control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Mar 31, 2009·7 cites·8 claims
- 3376US7059113B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2004·Granted Jun 13, 2006·16 cites·19 claims
- 3476US6644022B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Nov 11, 2003·22 cites·30 claims
- 3576US6370869B1Exhaust purification device of an engineTOYOTA MOTOR CO LTD·Filed 2000·Granted Apr 16, 2002·20 cites·17 claims
- 3675US8104271B2Exhaust purification device and exhaust purification method of internal combustion engineYOSHIDA KOHEI·Filed 2007·Granted Jan 31, 2012·6 cites·22 claims
- 3773US8161794B2Sulfur component detecting deviceOTSUKI HIROSHI·Filed 2008·Granted Apr 24, 2012·3 cites·21 claims
- 3872US8443592B2Exhaust purification system of internal combustion engineASANUMA TAKAMITSU·Filed 2009·Granted May 21, 2013·7 cites·9 claims
- 3972US6634167B1Exhaust temperature raising apparatus and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2000·Granted Oct 21, 2003·27 cites·7 claims
- 4071US6668548B1Exhaust emission control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2000·Granted Dec 30, 2003·18 cites·33 claims
- 4170US6874315B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2001·Granted Apr 5, 2005·16 cites·30 claims
- 4268US8621852B2Detector for detecting sulfur componentsOSHIKAWA KATSUHIKO·Filed 2009·Granted Jan 7, 2014·2 cites·9 claims
- 4368US8434297B2Exhaust purification system of internal combustion engineASANUMA TAKAMITSU·Filed 2009·Granted May 7, 2013·3 cites·3 claims
- 4468US8122706B2Exhaust purification system of internal combustion engineYOSHIDA KOHEI·Filed 2007·Granted Feb 28, 2012·4 cites·6 claims
- 4568US8061125B2Exhaust gas purification system and method for internal combustion engineYOSHIDA KOHEI·Filed 2007·Granted Nov 22, 2011·4 cites·8 claims
- 4668US6901750B2Exhaust emission control apparatus and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Jun 7, 2005·12 cites·29 claims
- 4768US6883310B2Internal combustion engine emission control apparatus and methodTOYOTA MOTOR CO LTD·Filed 2003·Granted Apr 26, 2005·15 cites·9 claims
- 4868US6594991B2Exhaust purifying method and apparatus of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Jul 22, 2003·11 cites·10 claims
- 4967US9181842B2Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engineUMEMOTO KAZUHIRO·Filed 2010·Granted Nov 10, 2015·2 cites·13 claims
- 5067US8307639B2Exhaust purification device of internal combustion engineNISHIOKA HIROMASA·Filed 2008·Granted Nov 13, 2012·4 cites·7 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Takamitsu Asanuma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →