Inventor
ASANUMA TAKAMITSU
JP81 patents
⚠️ This page may combine multiple inventors who share the name “ASANUMA TAKAMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
46 patentsUS5735119AApr 7, 1998
Exhaust purification device of an engine
TOYOTA MOTOR CO LTD109 citations98
US5715679AFeb 10, 1998
Exhaust purification device of an engine
TOYOTA MOTOR CO LTD104 citations98
US5713199AFeb 3, 1998
Device for detecting deterioration of NOx absorbent
TOYOTA MOTOR CO LTD128 citations98
US5577382ANov 26, 1996
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD109 citations98
US5483795AJan 16, 1996
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD138 citations98
US5402641AApr 4, 1995
Exhaust gas purification apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD188 citations98
US6519933B2Feb 18, 2003
Internal combustion engine having variable valve control system and NOx catalyst
TOYOTA MOTOR CO LTD84 citations97
US6546721B2Apr 15, 2003
Exhaust gas purification device
TOYOTA MOTOR CO LTD60 citations96
US6477834B1Nov 12, 2002
Exhaust emission controlling apparatus of internal combustion engine
TOYOTA MOTOR CO LTD59 citations96
US5974794ANov 2, 1999
Exhaust gas purification device for an internal combustion engine
TOYOTA MOTOR CO LTD62 citations96
US5848529ADec 15, 1998
Apparatus and method for purifying exhaust gas in an internal combustion engine
TOYOTA MOTOR CO LTD79 citations96
US5423181AJun 13, 1995
Exhaust gas purification device of an engine
TOYOTA MOTOR CO LTD84 citations96
US7703275B2Apr 27, 2010
Exhaust purification device of compression ignition type internal combustion engine
TOYOTA MOTOR CO LTD30 citations93
US7146800B2Dec 12, 2006
Exhaust purification device and exhaust purification method of internal combustion engine
TOYOTA MOTOR CO LTD30 citations93
US7134274B2Nov 14, 2006
Exhaust gas control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD23 citations93
US7059113B2Jun 13, 2006
Exhaust gas purification device
TOYOTA MOTOR CO LTD16 citations93
US6978603B2Dec 27, 2005
Exhaust gas control device-equipped internal combustion engine and exhaust gas control method
TOYOTA MOTOR CO LTD28 citations93
US6901743B2Jun 7, 2005
Exhaust gas purifying method, exhaust gas purifying apparatus, and exhaust gas collecting apparatus of internal combustion engine
TOYOTA MOTOR CO LTD36 citations93
US6898930B2May 31, 2005
Exhaust gas purification device
TOYOTA MOTOR CO LTD28 citations93
US6834496B2Dec 28, 2004
Exhaust gas purifying apparatus for internal combustion engine and control method thereof
TOYOTA MOTOR CO LTD48 citations93
US6823664B2Nov 30, 2004
Exhaust gas purification device
TOYOTA MOTOR CO LTD56 citations93
US6823665B2Nov 30, 2004
Exhaust gas purification device
TOYOTA MOTOR CO LTD30 citations93
US6820418B2Nov 23, 2004
Exhaust gas purification apparatus
TOYOTA MOTOR CO LTD46 citations93
US6644023B2Nov 11, 2003
Exhaust emission control device of internal combustion engine
TOYOTA MOTOR CO LTD26 citations93
US6644022B2Nov 11, 2003
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD22 citations93
US6634167B1Oct 21, 2003
Exhaust temperature raising apparatus and method for internal combustion engine
TOYOTA MOTOR CO LTD27 citations93
US6568178B2May 27, 2003
Device for purifying the exhaust gas of an internal combustion engine
TOYOTA MOTOR CO LTD40 citations93
US6370869B1Apr 16, 2002
Exhaust purification device of an engine
TOYOTA MOTOR CO LTD20 citations93
US6729126B2May 4, 2004
Internal combustion engine having variable valve control system and NOx catalyst
TOYOTA MOTOR CO LTD26 citations92
US6672050B2Jan 6, 2004
Exhaust gas purification device of an engine
TOYOTA MOTOR CO LTD49 citations92
US6655133B2Dec 2, 2003
Exhaust gas purifier for internal combustion engine
TOYOTA MOTOR CO LTD44 citations92
US6381952B1May 7, 2002
Exhaust temperature raising apparatus and method for internal combustion engine
TOYOTA MOTOR CO LTD42 citations92
US7409822B2Aug 12, 2008
Exhaust gas control apparatus and exhaust gas control method for internal combustion engine
TOYOTA MOTOR CO LTD9 citations84
US6901750B2Jun 7, 2005
Exhaust emission control apparatus and method for internal combustion engine
TOYOTA MOTOR CO LTD12 citations84
US6883310B2Apr 26, 2005
Internal combustion engine emission control apparatus and method
TOYOTA MOTOR CO LTD15 citations84
US6874315B2Apr 5, 2005
Exhaust gas purification device
TOYOTA MOTOR CO LTD16 citations84
US6668548B1Dec 30, 2003
Exhaust emission control device of internal combustion engine
TOYOTA MOTOR CO LTD18 citations84
US6918463B2Jul 19, 2005
Muffler for engine
TOYOTA MOTOR CO LTD17 citations81
US7509801B2Mar 31, 2009
Exhaust gas control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD7 citations74
US6988360B2Jan 24, 2006
Exhaust emission purification device for internal combustion engine
TOYOTA MOTOR CO LTD10 citations74
US6955041B2Oct 18, 2005
Exhaust gas purifying apparatus for internal combustion engine
TOYOTA MOTOR CO LTD11 citations74
US6837043B2Jan 4, 2005
Device for purifying the exhaust gas of an internal combustion engine
TOYOTA MOTOR CO LTD9 citations74
US6681566B2Jan 27, 2004
Exhaust purifying method and apparatus of an internal combustion engine
TOYOTA MOTOR CO LTD8 citations74
US6594991B2Jul 22, 2003
Exhaust purifying method and apparatus of an internal combustion engine
TOYOTA MOTOR CO LTD11 citations74
US6510686B2Jan 28, 2003
Exhaust gas purifier for internal combustion engine and method for purifying exhaust gas
TOYOTA MOTOR CO LTD11 citations74
US7296401B2Nov 20, 2007
Device for purifying the exhaust gas of an internal combustion engine
TOYOTA MOTOR CO LTD8 citations72
YOSHIDA KOHEI
2 patentsASANUMA TAKAMITSU
2 patentsShowing the top 50 of 81 patents by PatentIndex Score.