Patents by Inventor Yoshio Jimbo

Yoshio Jimbo 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).

  • Patent number: 8734598
    Abstract: There is provided an aluminum surface treatment process, comprising: preparing an aluminum material containing silicon and magnesium; and plasma nitriding the aluminum material to form an aluminum nitride region on a surface of the aluminum material.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: May 27, 2014
    Assignee: Jatco Ltd
    Inventors: Fumiya Yakabe, Yoshio Jimbo, Kanji Ueno, Hideyuki Kuwahara
  • Patent number: 7838075
    Abstract: A method for strengthening a surface of a metal member. The method includes the following steps in the sequence set forth: (a) coating the surface of the metal member with a carbon-based film having a thickness of not smaller than 0.2 ?m; and (b) repeatedly applying a pressing force onto the surface of the film-coated metal member in a condition of maintaining a contact pressure of not lower than 2.5 GPa at the surface of the film-coated metal member.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: November 23, 2010
    Assignee: JATCO Ltd
    Inventors: Masao Kumagai, Yoshio Jimbo, Fumiya Yakabe
  • Publication number: 20080169049
    Abstract: There is provided an aluminum surface treatment process, comprising: preparing an aluminum material containing silicon and magnesium; and plasma nitriding the aluminum material to form an aluminum nitride region on a surface of the aluminum material.
    Type: Application
    Filed: January 16, 2008
    Publication date: July 17, 2008
    Inventors: Fumiya Yakabe, Yoshio Jimbo, Kanji Ueno, Hideyuki Kuwahara
  • Publication number: 20070009662
    Abstract: A method for strengthening a surface of a metal member. The method includes the following steps in the sequence set forth: (a) coating the surface of the metal member with a carbon-based film having a thickness of not smaller than 0.2 ?m; and (b) repeatedly applying a pressing force onto the surface of the film-coated metal member in a condition of maintaining a contact pressure of not lower than 2.5 GPa at the surface of the film-coated metal member.
    Type: Application
    Filed: July 5, 2006
    Publication date: January 11, 2007
    Inventors: Masao Kumagai, Yoshio Jimbo, Fumiya Yakabe