Patents by Inventor Atsuyuki Okada

Atsuyuki Okada 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).

  • High-strength zinc base alloy
    Patent number: 4882126
    Abstract: A high-strength zinc base alloy which contains 5.2 to 8.6 wt % of Al, 3.0 to 6.5 wt % of Cu, 0.01 to 0.20 wt % of Mg, and if necessary, 0.30 wt % or less of one or two of Co and Ni, and/or 0.04 wt % or less of Ti, the balance being substantially composed of Zn, and which is suitable for a metal mold and die casting.
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: November 21, 1989
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Atsuyuki Okada, Kouhei Kubota, Tsutomu Satoh, Hiroshi Gotoh, Takeshi Oziro