Patents by Inventor Shojiro Oie

Shojiro Oie 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: 4822414
    Abstract: Al-based alloys comprising predetermined amounts of Cr and Ti with the balance being Al and inevitable impurities. The alloys are made by powder metallurgy by which the additive elements are finely dispersed in an Al matrix. The alloys may further comprise up to 5 wt. %. of Fe.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: April 18, 1989
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Katsuyuki Yoshikawa, Hidetoshi Inoue, Tsukasa Shiomi, Shojiro Oie, Mutsumi Abe