Patents by Inventor Yasumasa Miyashita

Yasumasa Miyashita 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).

  • Corrosion resistant bright aluminum alloy for die-casting
    Patent number: 4169728
    Abstract: A corrosion resistant bright aluminum alloy for die-casting which consisting essentially of, in weight percentage:______________________________________ Zinc from 0.5 to 2.5%, Magnesium from 1.1 to 3.0%, Silicon from 0.3 to 1.2%, Iron from 0.2 to 1.5%, Manganese from 0.3 to 1.2%, Copper from 0.1 to 0.3%, and the balance aluminum and incidental impurities; ______________________________________Said alloy for die-casting further additionally containing from 0.001 to 2.000% in weight percentage in total of at least one element selected from the group consisting of: ______________________________________ Titanium from 0.05 to 0.30%, Chromium from 0.05 to 0.50%, Boron from 0.01 to 0.05%, Zirconium from 0.05 to 0.30%, Vanadium from 0.05 to 0.30%, Cobalt from 0.05 to 0.50%, Antimony from 0.05 to 0.30%, Nickel from 0.05 to 2.00%, and Beryllium from 0.001 to 0.005%.
    Type: Grant
    Filed: February 9, 1978
    Date of Patent: October 2, 1979
    Assignees: Mitsubishi Kinzoku Kabushiki Kaisha, Shinkoriko Co., Ltd.
    Inventors: Yo Takeuchi, Shinichi Komori, Kazuo Toda, Yasumasa Miyashita