1
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, ...


2
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 ...


3
Toru Sekiba, Akihide Okada, Fumihiro Uchikawa: Catalysts for the purification of exhaust gas. Nissan Motor, Foley & Lardner, September 28, 1993: US05248650 (29 worldwide citation)

A catalyst for the purification of exhaust gas comprises a combination of palladium carried on cerium oxide and palladium carried on alumina, or further rhodium carried on alumina, in which a weight ratio of palladium carried on cerium oxide to palladium carried on alumina is 2:8-8:2. Preferably, th ...


4
Shinji Yamamoto, Toru Sekiba: Catalysts for the purification of exhaust gas and method of manufacturing thereof. Nissan Motor, Foley & Lardner, May 30, 2000: US06069111 (26 worldwide citation)

The catalyst for the purification of exhaust gas in the form of monolithically-constructed catalyst with a catalyst component-loaded layer contains at least palladium and metallic aluminate powder as catalyst components, which metallic aluminate powder containing at least one element selected from t ...


5
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 ...


6
Hironori Wakamatsu, Masanori Nakamura, Kazuyuki Shiratori, Hirofumi Yasuda, Katsuo Suga, Toru Sekiba: Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder. Nissan Motor, Foley & Lardner, May 11, 2010: US07713911 (16 worldwide citation)

A method of producing catalyst powder of the present invention has a step of precipitating a transition metal particle and a base-metal compound in a reversed micelle substantially simultaneously, and a step of precipitating a noble metal particle in the reversed micelle. By this method, it is possi ...


7
Masanori Nakamura, Katsuo Suga, Toru Sekiba, Hironori Wakamatsu, Kazuyuki Shiratori, Hirofumi Yasuda: Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder. Nissan Motor, Foley & Lardner, September 8, 2009: US07585811 (15 worldwide citation)

A method of producing catalyst powder of the present invention has a step of precipitating a noble metal particle (2) and a porous carrier (1) in a reversed micelle substantially simultaneously; and a step of precipitating a transition metal particle (3) in the reversed micelle. By this method, it i ...


8
Hironori Wakamatsu, Hirofumi Yasuda, Kazuyuki Shiratori, Masanori Nakamura, Katsuo Suga, Toru Sekiba: Catalyst, exhaust gas purification catalyst, and method for manufacturing same. Nissan Motor, Global IP Counselors, October 20, 2009: US07605108 (14 worldwide citation)

A catalyst which suppresses aggregation of metal particles and which has superior heat resistance. In the catalyst, metal particles are supported by a surface of a carrier while being partially embedded therein.


9
Masanori Nakamura, Hironori Wakamatsu, Katsuo Suga, Toru Sekiba: Powdery catalyst, exhaust-gas purifying catalyzer, and powdery catalyst production method. Nissan Motor, Foley & Lardner, October 13, 2009: US07601669 (7 worldwide citation)

In a powdery catalyst (1), a porous carrier (2) has a complex part (3) configured to hold a noble metal particle (4), the complex part being composed of a transition metal material and a constituent material of the porous carrier (2).


10
Toru Sekiba, Hiroshi Akama: Exhaust gas purifying method and system for fuel cell vehicle. Nissan Motor, Foley & Lardner, October 3, 2006: US07115236 (4 worldwide citation)

An exhaust gas purifying method for a fuel cell vehicle comprises preparing an exhaust gas purifying system for the fuel cell vehicle, the exhaust gas purifying system including a methane removal catalyst for accelerating the conversion of methane into hydrogen and carbon monoxide. The methane remov ...