Patents by Inventor Tetsuro Seiyama

Tetsuro Seiyama 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 of oxygen ion conductor
    Patent number: 4610867
    Abstract: Materials of oxygen ion conductors comprising CeO.sub.2 -CaO type oxides wherein 5-60 mol % of CaO is mixed with CeO.sub.2 having a fluorite structure, and composite oxides wherein CeO.sub.2 of said CeO.sub.2 -CaO type oxides is replaced by oxide of magnesium or aluminum by 5-10 mol %.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: September 9, 1986
    Assignee: Yazaki Corporation
    Inventors: Tetsuro Seiyama, Hiromichi Arai, Toshiya Kunisaki