Patents by Inventor Kaori Imada

Kaori Imada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Catalyst for purifying exhaust gas
    Patent number: 5958828
    Abstract: An exhaust gas purifying catalyst (3) has an inner catalytic layer (5) fixed on a carrier (4). In the inner catalytic layer (5), there are held a palladium component, platinum component and a rhodium component by a base material containing an alumina component composed of alumina impregnated with lanthanum. Further, the exhaust gas purifying catalyst (3) has an outer catalytic layer (6) formed on the inner catalytic layer (5). In the outer catalytic layer (6), a palladium component is held by a base material which contains an alumina component, an oxide complex of ceria and zirconia and a magnesium component.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: September 28, 1999
    Assignee: Mazda Motor Corporation
    Inventors: Hiroshi Murakami, Hiroshi Yamada, Kenji Okamoto, Kaori Imada, Yuki Koda, Osamu Takayama, Shinichi Tanioka