1
Hirofumi Yasuda, Katsuo Suga, Makoto Aoyama, Toshiharu Miyamura: Catalyst, exhaust gas purifying catalyst, and method of producing the catalyst. Nissan Motor, Foley & Lardner, December 20, 2011: US08080494 (72 worldwide citation)

A catalyst 1 has a heat-resistant support 2 selected from among Al2O3, SiO2, ZrO2, and TiO2, and a first metal 4 supported on an outer surface of the support 2, and included by an inclusion material 3 containing a component of the support 2.


2
Kazuyuki Shiratori, Toru Sekiba, Katsuo Suga, Masanori Nakamura, Hironori Wakamatsu, Hirofumi Yasuda: Catalyst powder, method of producing the catalyst powder, and exhaust gas purifying catalyst. Nissan Motor, Foley & Lardner, March 9, 2010: US07674744 (65 worldwide citation)

A method of producing catalyst powder of the present invention has a step of precipitating a carrier in a reversed micelle, and a step of precipitating at least one of a noble metal particle and a transition metal particle in the reversed micelle in which the carrier is precipitated. By this method, ...


3
Hironori Wakamatsu, Maki Shimada, Masanori Nakamura, Katsuo Suga, Hiroto Kikuchi, Tetsuro Naito, Toshiharu Miyamura, Jun Ikezawa: Exhaust gas purifying catalyst and manufacturing method thereof. Nissan Motor, Renault s, Foley & Lardner, December 14, 2010: US07851405 (59 worldwide citation)

An exhaust gas purifying catalyst that includes noble metal particles, first compounds which support the noble metal particles and suppress movement of the noble metal particles, and second compounds which encapsulate the noble metal particles and the first compounds. The second compounds suppress t ...


4
Katsuo Suga, Toru Sekiba: Catalyst for purifying oxygen rich exhaust gas. Nissan Motor, McDermott Will & Emery, November 23, 1999: US05990038 (46 worldwide citation)

The invention relates to a first catalyst for purifying an exhaust gas. The first catalyst has a substrate and a catalytic coating formed thereon. This catalytic coating has first and second grains. The first grain includes a porous carrier supporting thereon at least one of palladium and rhodium. T ...


5
Yasunari Hanaki, Katsuo Suga: Exhaust gas purifying catalyst and method of producing same. Nissan Motor, Foley & Lardner, February 4, 2003: US06514905 (39 worldwide citation)

An exhaust gas purifying catalyst for exhaust gas discharged from a lean-burn engine of an automotive vehicle. The catalyst comprises a refractory inorganic carrier. A catalytic layer is coated on the refractory inorganic carrier. The exhaust gas purifying catalyst layer contains platinum and at lea ...


6
Kazuyuki Shiratori, Katsuo Suga, Masanori Nakamura, Jun Ikezawa: Exhaust gas purifying catalyst and production method thereof. Nissan Motor, Renault S, Foley & Lardner, July 20, 2010: US07759279 (38 worldwide citation)

An exhaust gas purifying catalyst including: rhodium particles having catalytic activity; compound particles which are formed on peripheries of the rhodium particles and support the rhodium particles; and oxides which are formed on peripheries of the compound particles and suppress coagulation of th ...


7
Masanori Nakamura, Katsuo Suga, Hironori Wakamatsu, Kazuyuki Shiratori, Hirofumi Yasuda, Makoto Aoyama, Jun Ikezawa: Exhaust gas purifying catalyst and production method thereof. Nissan Motor, Renault S, Foley & Lardner, March 26, 2013: US08404611 (34 worldwide citation)

An object is to maintain an effect of enhancing activity of noble metal particles by transition metal without increasing production cost and an environmental load. An exhaust gas purifying catalyst 1 is composed of: noble metal particles 2; first compounds 3 which contact the noble metal particles 2 ...


8
Hirofumi Yasuda, Katsuo Suga, Masanori Nakamura, Hironori Wakamatsu, Kazuyuki Shiratori, Toru Sekiba: Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder. Nissan Motor, Foley & Lardner, October 13, 2009: US07601670 (24 worldwide citation)

A method of producing catalyst powder of the present invention has a step of precipitating any one of a noble metal particle (5) and a transition metal particle (10) in a reversed micelle (1); a step of precipitating, in the reversed micelle (1) in which any one of the noble metal particle (5) and t ...


9
Hiroyuki Kanesaka, Hitoshi Onodera, Katsuo Suga: Exhaust gas purifying system. Nissan Motor, Foley & Lardner, August 21, 2001: US06276132 (24 worldwide citation)

An exhaust gas purifying system for an internal combustion engine of an automotive vehicle. The exhaust gas purifying system comprises an exhaust gas composition regulating device for producing a low HC concentration reducing agent in a lean exhaust gas atmosphere where air-fuel ratio is leaner than ...


10
Shinji Yamamoto, Hiroyuki Kanesaka, Hitoshi Onodera, Yasunari Hanaki, Katsuo Suga, Hiroshi Morita, Yoshiaki Hiramoto, Hiroaki Kaneko: Exhaust gas purifying system. Nissan Motor, Foley & Lardner, November 30, 2004: US06823662 (24 worldwide citation)

An exhaust gas purifying system for an automotive internal combustion engine includes a NOx treating catalyst for reducing NOx disposed in an exhaust gas passageway of a combustion device, to reduce NOx in presence of reducing components in exhaust gas. Additionally, a hydrogen enriching device is d ...