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Kubo; Shuichi
Aichi, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6911184 Exhaust emission control system and method for internal combustion engines June 28, 2005
An NO.sub.x storage-and-reduction type catalyst is used which exhibits a saturated NO.sub.x storage amount of 5 g or more as NO.sub.2 with respect to 1 liter of a catalyst volume at C., and rich spiking is controlled so that an actual NO.sub.x storage amount of the NO.sub.x
6499294 Exhaust gas purification device for an internal combustion engine December 31, 2002
A converter containing a NOx absorbing and reducing catalyst is disposed in the exhaust passage of an internal combustion engine. The upstream half portion (portion of the inlet side) of the substrate of the NOx absorbing and reducing catalyst in the converter carries the oxygen storage

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