Patents by Inventor Hirobumi Okabe

Hirobumi Okabe 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: 4668585
    Abstract: An Fe-Cr-Al type implant alloy for medical treatment wherein the alloy consists essentially of, by weight, 20-32 % chromium, 0.5-5.0% aluminum, 0.5-4.0% molybdenum, 0.05-0.5% M (wherein M represents at least one kind selected from zirconium and hafnium), and the remainder being substantially iron, wherein the alloy includes an oxide film on the surface, the film being composed substantially of .alpha.-Al.sub.2 O.sub.3, and a method of making the alloy implant.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: May 26, 1987
    Assignee: Osaka Prefecture, Horonobu Oonishi and Kyocera Corporation
    Inventors: Eiji Tsuji, Hirobumi Okabe, Hideo Ike, Fumihiro Uratani, Takashi Ota, Hiroshi Kaneda, Yuko Hanatate, Tadashi Hamada, Hironobu Oonishi