Patents by Inventor Naomi Akasaka

Naomi Akasaka 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).

  • Patent number: 4274981
    Abstract: A catalyst for purifying exhaust gas composed of a catalyst carrier coated with a metal oxide material containing a spinel metal oxide of the formula: MAl.sub.2 O.sub.4 wherein M is Sr, Mg, Cu, Mn, Mo, Zn, Fe, Co or Ni the metal oxide coated carrier further being coated with rhodium and platinum and/or palladium as catalytically active components. The catalytically active components also can include cerium.
    Type: Grant
    Filed: January 2, 1980
    Date of Patent: June 23, 1981
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Yoshihiro Suzuki, Hiroo Kinoshita, Naomi Akasaka