Patents by Inventor Hideharu Iwakini

Hideharu Iwakini 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).

  • Exhaust gas purification catalyst
    Patent number: 5413976
    Abstract: An exhaust gas purifying catalyst includes an active compound, including platinum (Pt) and iridium (Ir), as an essential active compound base and any combination of two or more metals of terbium (Tb), nickel (Ni), indium (In), tin (Sn), cobalt (Co) and cerium (Ce), excepting a combination of indium (In) and tin (Sn), as an additive active material. The base and additive active material are deposited on and carried by a silicate carrier.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: May 9, 1995
    Assignee: Mazda Motor Corporation
    Inventors: Akihide Takami, Yasuto Watanabe, Hideharu Iwakini, Takashi Takemoto