Patents by Inventor Tatsuji Hashimoto

Tatsuji Hashimoto 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).

  • Hot-dip zinc alloy coated steel products
    Patent number: 4610936
    Abstract: Hot-dip zinc alloy coated steel products coated with a Zn-Al-Si-Mg alloy having a composition of between 3.5 and 5.0 wt % aluminum, between 0.02 and 0.5 wt % silicon, between 0.01 and less than 0.05 wt % magnesium, and remainder zinc with unavoidable impurities.
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: September 9, 1986
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Takehiro Isobe, Tatsuji Hashimoto