Patents by Inventor Katsutomo MIURA

Katsutomo MIURA 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).

  • Hard film and method for forming same, and die for use in hot forming of steel sheet
    Patent number: 10233530
    Abstract: Disclosed is a hard film based on tungsten carbide excellent in wear resistance, wherein the composition of the film is defined by W1-x-yCxMy, where 0.01?y?0.2, 0.50?x/(1?x?y)?4.0, and M is one or more selected from Co, Ni, Fe and Cu.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: March 19, 2019
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Kenji Yamamoto, Tomoyasu Takazawa, Katsutomo Miura
  • HARD COATING AND DIE
    Publication number: 20170165737
    Abstract: To provide a hard coating having an excellent wear resistance and a die having the hard coating formed on the surface. The hard coating contains at least each of chromium (Cr), an element M and carbon (C). The element M comprises elements belonging to the group 4a of the periodic table, elements belonging to the group 5a of the periodic table, and elements belonging to the group. 6a of the periodic table except for Cr, and at least one element selected from the group consisting of aluminum (Al), silicon (Si), and boron (B). The atomic ratio of C in the hard coating is 0.03 or more and 0.5 or less.
    Type: Application
    Filed: October 18, 2016
    Publication date: June 15, 2017
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Kenji YAMAMOTO, Katsutomo MIURA, Atsushi NISHIBU
  • HARD FILM AND METHOD FOR FORMING SAME, AND DIE FOR USE IN HOT FORMING OF STEEL SHEET
    Publication number: 20170058392
    Abstract: Disclosed is a hard film based on tungsten carbide excellent in wear resistance, wherein the composition of the film is defined by W1-x-yCxMy, where 0.01?y?0.2, 0.50?x/(1?x?y)?4.0, and M is one or more selected from Co, Ni, Fe and Cu.
    Type: Application
    Filed: February 16, 2015
    Publication date: March 2, 2017
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Kenji YAMAMOTO, Tomoyasu TAKAZAWA, Katsutomo MIURA