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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Morita; Tomoko
Address:
Saitama-ken, JP
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
8141349 Exhaust emission control device and method for internal combustion engine, and engine control un March 27, 2012
An exhaust emission control device for an internal combustion engine, which is capable of supplying a just enough amount of reducing agent to the NOx catalyst even when a catalyst is provided on an upstream side of the NOx catalyst. A catalyst and a NOx catalyst are disposed at respe
8117829 Exhaust emission control device and method for internal combustion engine, and engine control un February 21, 2012
An exhaust emission control device for an internal combustion engine which is capable of supplying a just enough amount of reducing agent to a NOx catalyst while causing the consumption amount of reducing agent dependent on the degradation degree of an upstream catalyst to be reflect
7997067 Exhaust emission control device and method for internal combustion engine, and engine control un August 16, 2011
An exhaust emission control device for an internal combustion engine, which is capable of accurately estimating the amount of NOx trapped by a NOx catalyst even when a catalyst is provided on an upstream side of the NOx catalyst. A catalyst having the function of purifying NOx and a NOx
7618605 Exhaust emission control device and method for internal combustion engine, and engine control un November 17, 2009
An exhaust emission control device for an internal combustion engine, which is capable of supplying a just enough amount of reducing agent to a NOx catalyst, thereby reducing exhaust emission and improving fuel economy. The device includes a three-way catalyst, a NOx catalyst provide
7591986 Exhaust emission control device and method for internal combustion engine, and engine control un September 22, 2009
An exhaust emission control device which is capable of supplying a just enough amount of reducing agent to a NOx catalyst while causing the amount of reducing agent consumed in an upstream catalyst to be reflected thereon. A NOx catalyst for trapping NOx and reducing NOx to change the










 
 
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