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
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 ...


3
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 ...


4
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 ...


5
Katsuo Suga, Yasunari Hanaki, Maki Shimada, Hiroshi Akama, Motohisa Kamijo, Hironori Wakamatsu: Exhaust gas purifying system. Nissan Motor, Foley & Lardner, May 4, 2004: US06729125 (22 worldwide citation)

An exhaust gas purifying system for an internal combustion engine mounted on an automotive vehicle. The exhaust gas purifying system includes an exhaust gas component concentration regulating device disposed in an exhaust gas passageway of the engine, for regulating concentrations of gas components ...


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
Katsuo Suga, Hironori Wakamatsu: Exhaust gas purifying catalyst and method for purifying exhaust gas. Nissan Motor, Foley & Lardner, May 3, 2005: US06887443 (7 worldwide citation)

An exhaust gas purifying catalyst comprises a catalytic ingredient including rhodium, at least one of platinum and palladium, at least one of absorption materials for absorbing NOx, a porous carrier, and a monolithic support for supporting the catalytic ingredient. The exhaust gas purifying catalyst ...