Patents by Inventor Takaaki Ottagawa

Takaaki Ottagawa 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).

  • Lanthanum nickelate perovskite-type oxide for the anodic oxygen evolution catalyst
    Patent number: 4497698
    Abstract: An improved Perovskite-type oxide for electrocatalytic oxygen evolution from alkaline electrolyte comprising lanthanum nickelate is disclosed, together with an improved co-precipitation process for producing the lanthanum nickelate powders from which the anode is formed.
    Type: Grant
    Filed: August 11, 1983
    Date of Patent: February 5, 1985
    Assignee: Texas A&M University
    Inventors: John O'M. Bockris, Takaaki Ottagawa