Patents by Inventor Katsuma ISHITOBI

Katsuma ISHITOBI 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 FOR PRODUCING STEEL SHEET FOR COLD ROLLING AND METHOD FOR PRODUCING COLD-ROLLED STEEL SHEET
    Publication number: 20240216967
    Abstract: A method for manufacturing a steel sheet for cold rolling, including hot-rolling a slab so that an outlet temperature of a finishing rolling mill is 800° C. or higher and 940° C. or lower, cooling at least a portion of the hot-rolled steel sheet, at a water volume density of 100 L/min/m2 or more for 0.1 seconds or more, within 3.0 seconds after passing through a final stand of the finishing rolling mill and being sent out on a run-out table, and coiling, at a coiling temperature of 550° C. or higher, the cooled hot-rolled steel sheet.
    Type: Application
    Filed: April 8, 2022
    Publication date: July 4, 2024
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Toma KITAGAWA, Toshio MURAKAMI, Takashi TERAOKA, Takuma YONEDA, Shun HARADA, Keita NAKAYAMA, Katsuma ISHITOBI, Masanori KOBAYASHI, Koki FUKUSHIMA