Patents by Inventor Nam-Geun Cho

Nam-Geun Cho 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).

  • Method of manufacturing a coated steel
    Patent number: 5571566
    Abstract: Alloy coating composition that is Al 55% by weight, Zn 43.4% by weight, Si 1.6% by weight, comprising addition of Ti to said composition at a concentration of 0.0001-0.5% by weight of said composition. Ti-Al alloy is melted preliminary in a premelt pot (2), and it, thus Ti, is introduced into the bath of coating pot (1). Then a steel plate is passed through the coating pot (1); and thus, the surface of the steel plate is treated with Ti which stifles growth of spangle particles.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: November 5, 1996
    Assignee: Union Steel Manufacturing Co., Ltd.
    Inventor: Nam-Geun Cho