| Patent Number |
Title Of Patent |
Date Issued |
| 8119988 |
Collection-amount detection method for particulate matters and collection-amount detection appar |
February 21, 2012 |
| A filter 2 for collecting PMs, a microwave transmitter 30 for emitting electromagnetic waves whose frequency is dozens of GHz-a few of THz onto the filter 2, a microwave receiver 31 for detecting an intensity of the electromagnetic waves that have transmitted through the filter 2, and a |
| 6739177 |
Combustible-gas sensor, diagnostic device for intake-oxygen concentration sensor, and air-fuel r |
May 25, 2004 |
| Correction of a fuel injection amount in an internal combustion engine during purge of evaporative fuel is performed on the basis of an output from an intake-oxygen concentration sensor disposed in an intake passage of the internal combustion engine. If the amplitude of fluctuations in |
| 6729128 |
Emission control apparatus and emission control method |
May 4, 2004 |
| Carbon-containing suspended particulates in exhaust gas from an internal combustion engine are collected by a heat-resistant filter, and are burned on the filter. It is determined whether there is a need to increase the temperature of the heat-resistant filter. If it is necessary to incr |
| 6725651 |
Reducing agent for emission control system, reducing-agent supply device, and emission control s |
April 27, 2004 |
| A reducing agent for use in an internal combustion engine is a mixture of an ammonia-derived solid reducing material and a water-insoluble liquid in which the solid reducing agent is immersed. A reducing-agent supply device is provided for supplying a denitration catalyst with the reduci |
| 5676881 |
Antiferroelectric liquid crystal composition |
October 14, 1997 |
| Antiferroelectric liquid crystals represented by the following formula (1) and (2). ##STR1## In the formula (1), each of m and n is an integer satisfying 6.ltoreq.m.ltoreq.14 and 2.ltoreq.n.ltoreq.10, and each of Z.sub.1, Z.sub.2 and Z.sub.3 is independently a substituent selecte |
