Patents by Inventor Hirosou Oda

Hirosou Oda 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).

  • Material for exhaust gas purifying catalyst, exhaust gas purifying catalyst made of the material and method for producing the exhaust gas purifying catalyst
    Patent number: 6180558
    Abstract: A catalytic base material for an exhaust gas purifying catalyst is produced by impregnating ceria powders with a barium contained solution and heating the ceria particles at approximately 400 to 1100° C. to create and accumulate barium oxides fixed to surfaces of the ceria particles.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: January 30, 2001
    Assignees: Mazda Motor Corporation, Tokyo Roki Co., Ltd.
    Inventors: Takahiro Kurokawa, Akihide Takami, Hideharu Iwakuni, Makoto Kyogoku, Shinichi Tanioka, Kenichi Yamamoto, Yoko Kawakami, Hiroshi Murakami, Hirosou Oda, Tadashi Tokuyama