Patents by Inventor Si-Youl Chun

Si-Youl Chun 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).

  • Alloying system and heating control device for high grade galvanized steel sheet
    Patent number: 6114675
    Abstract: An alloying system for a galvanized steel sheet, using an induction heating coil, wherein the temperature of the steel sheet in an induction heating furnace is measured based on the impedance of a high frequency heater, and the amount of heating is controlled by feedback, to form an alloy layer of the steel sheet.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: September 5, 2000
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Kozo Wada, Etsurou Hirai, Kazuya Tsurusaki, Yuuji Asahara, Kwang-Hee Han, Jae-Young Lee, Noi-Ha Cho, Jang-Sub Shim, Si-Youl Chun