Inventor
HIROTA SHINYA
JP123 patents
⚠️ This page may combine multiple inventors who share the name “HIROTA SHINYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
49 patentsUS6502391B1Jan 7, 2003
Exhaust emission control device of internal combustion engine
TOYOTA MOTOR CO LTD159 citations99
US6058700AMay 9, 2000
Device for purifying exhaust gas of engine
TOYOTA MOTOR CO LTD162 citations99
US5974791ANov 2, 1999
Exhaust gas purification device for an internal combustion engine
TOYOTA MOTOR CO LTD345 citations99
US5473887ADec 12, 1995
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD340 citations99
US5437153AAug 1, 1995
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD189 citations99
US5201802AApr 13, 1993
Exhaust gas purification system for an internal combustion engine
TOYOTA MOTOR CO LTD176 citations99
US6233927B1May 22, 2001
Exhaust gas purification device
TOYOTA MOTOR CO LTD97 citations98
US6192675B1Feb 27, 2001
Exhaust gas purification device for an internal combustion engine
TOYOTA MOTOR CO LTD103 citations98
US6178743B1Jan 30, 2001
Device for reactivating catalyst of engine
TOYOTA MOTOR CO LTD89 citations98
US5996338ADec 7, 1999
Exhaust gas purifying device for engine
TOYOTA MOTOR CO LTD109 citations98
US5189876AMar 2, 1993
Exhaust gas purification system for an internal combustion engine
TOYOTA MOTOR CO LTD139 citations98
US5406790AApr 18, 1995
Exhaust gas purification device for an engine
TOYOTA MOTOR CO LTD149 citations97
US6708486B2Mar 23, 2004
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD62 citations96
US6546721B2Apr 15, 2003
Exhaust gas purification device
TOYOTA MOTOR CO LTD60 citations96
US6367246B1Apr 9, 2002
Exhaust gas purification device for internal combustion engine
TOYOTA MOTOR CO LTD72 citations96
US6233925B1May 22, 2001
Exhaust discharge control device for internal combustion engine
TOYOTA MOTOR CO LTD76 citations96
US6212885B1Apr 10, 2001
Exhaust emission control system of internal combustion engine
TOYOTA MOTOR CO LTD69 citations96
US5884476AMar 23, 1999
Exhaust gas purifying device for engine
TOYOTA MOTOR CO LTD56 citations96
US5839275ANov 24, 1998
Fuel injection control device for a direct injection type engine
TOYOTA MOTOR CO LTD69 citations96
US5471836ADec 5, 1995
Exhaust purification device of internal combustion engine
TOYOTA MOTOR CO LTD78 citations96
US5388406AFeb 14, 1995
NOx decreasing apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD88 citations95
US7703275B2Apr 27, 2010
Exhaust purification device of compression ignition type internal combustion engine
TOYOTA MOTOR CO LTD30 citations93
US7272924B2Sep 25, 2007
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD20 citations93
US7146800B2Dec 12, 2006
Exhaust purification device and exhaust purification method of internal combustion engine
TOYOTA MOTOR CO LTD30 citations93
US7086222B2Aug 8, 2006
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD19 citations93
US7086223B2Aug 8, 2006
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD19 citations93
US7073325B2Jul 11, 2006
Exhaust emission control method and system
TOYOTA MOTOR CO LTD25 citations93
US7059113B2Jun 13, 2006
Exhaust gas purification device
TOYOTA MOTOR CO LTD16 citations93
US6959540B2Nov 1, 2005
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD31 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
US6877312B2Apr 12, 2005
Exhaust emission control system of internal combustion engine
TOYOTA MOTOR CO LTD36 citations93
US6834496B2Dec 28, 2004
Exhaust gas purifying apparatus for internal combustion engine and control method thereof
TOYOTA MOTOR CO LTD48 citations93
US6823665B2Nov 30, 2004
Exhaust gas purification device
TOYOTA MOTOR CO LTD30 citations93
US6823664B2Nov 30, 2004
Exhaust gas purification device
TOYOTA MOTOR CO LTD56 citations93
US6820418B2Nov 23, 2004
Exhaust gas purification apparatus
TOYOTA MOTOR CO LTD46 citations93
US6786041B2Sep 7, 2004
Exhaust gas purification method and exhaust gas purification apparatus
TOYOTA MOTOR CO LTD19 citations93
US6644022B2Nov 11, 2003
Exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD22 citations93
US6644023B2Nov 11, 2003
Exhaust emission control device of internal combustion engine
TOYOTA MOTOR CO LTD26 citations93
US6634167B1Oct 21, 2003
Exhaust temperature raising apparatus and method for internal combustion engine
TOYOTA MOTOR CO LTD27 citations93
US6588204B2Jul 8, 2003
Device for purifying the exhaust gas of an internal combustion engine
TOYOTA MOTOR CO LTD23 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
US6370871B2Apr 16, 2002
Internal combustion engine having lean NOx catalyst
TOYOTA MOTOR CO LTD24 citations93
US6209317B1Apr 3, 2001
Exhaust gas purifying apparatus for internal combustion engine
TOYOTA MOTOR CO LTD35 citations93
US6199374B1Mar 13, 2001
Exhaust gas purifying device for engine
TOYOTA MOTOR CO LTD33 citations93
US5404719AApr 11, 1995
Engine exhaust gas purification device
TOYOTA MOTOR CO LTD42 citations93
US5211010AMay 18, 1993
Exhaust gas purification system for a diesel engine
TOYOTA MOTOR CO LTD37 citations93
US7506502B2Mar 24, 2009
Exhaust gas purifying system for internal combustion engine
TOYOTA MOTOR CO LTD31 citations92
TSUJIMOTO KENICHI
1 patentShowing the top 50 of 123 patents by PatentIndex Score.