Patents by Inventor Eiji Endoh

Eiji Endoh 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: 4255247
    Abstract: An electrode is prepared by etching an alloy substrate comprising a first metallic component selected from the group consisting of chromium, manganese, tantalum, niobium, vanadium, titanium, silicon, zirconium, germanium, scandium, yttrium and lanthanum and a second metallic component selected from the group consisting of iron, nickel, tungsten, copper, silver, cobalt and molybdenum to remove at least part of the first metallic component.
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: March 10, 1981
    Assignee: Asahi Glass Company, Limited
    Inventors: Yoshio Oda, Hiroshi Otouma, Eiji Endoh