Patents by Inventor Koji Zushi

Koji Zushi 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).

  • Slide member
    Patent number: 9677613
    Abstract: A slide member provided with a substrate; and a slide layer provided in a surface side of the substrate is disclosed. The slide layer includes a soft layer in the surface side and a DLC layer in the under surface side of the soft layer. The soft layer has a Young's modulus E ranging from 6 to 30 GPa, hardness Ht ranging from 0.2 to 3.0 GPa, and a value of ratio [E/Ht] of the foregoing ranging from 10 to 30. The DLC layer has a hardness Hd ranging from 5 to 60 GPa.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: June 13, 2017
    Assignee: DAIDO METAL COMPANY LTD.
    Inventors: Shigeru Inami, Colin McAleese, Koji Zushi
  • SLIDE MEMBER
    Publication number: 20150226260
    Abstract: A slide member provided with a substrate; and a slide layer provided in a surface side of the substrate is disclosed. The slide layer includes a soft layer in the surface side and a DLC layer in the under surface side of the soft layer. The soft layer has a Young's modulus E ranging from 6 to 30 GPa, hardness Ht ranging from 0.2 to 3.0 GPa, and a value of ratio [E/Ht] of the foregoing ranging from 10 to 30. The DLC layer has a hardness Hd ranging from 5 to 60 GPa.
    Type: Application
    Filed: February 10, 2015
    Publication date: August 13, 2015
    Inventors: Shigeru INAMI, Colin McAleese, Koji ZUSHI
  • Sliding member
    Patent number: 9051967
    Abstract: Slide member is provided with an Al-based bearing alloy layer including Al and Si particles, and DLC layer laminated over Al-based bearing alloy layer. At least some of the Si particles included in Al-based bearing alloy layer are exposed on DLC layer side surface.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: June 9, 2015
    Assignee: DAIDO METAL COMPANY LTD.
    Inventors: Shigeru Inami, Koji Zushi, Yukihiko Kagohara
  • Sliding member
    Patent number: 9034466
    Abstract: Slide member is provided with an Cu-based bearing alloy layer including hard particles, and DLC layer laminated over Cu-based bearing alloy layer. At least some of the hard particles included in Cu-based bearing alloy layer are exposed on DLC layer side surface.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: May 19, 2015
    Assignee: DAIDO METAL COMPANY LTD.
    Inventors: Koji Zushi, Shigeru Inami, Yukihiko Kagohara
  • SLIDING MEMBER
    Publication number: 20130121628
    Abstract: Slide member is provided with an Al-based bearing alloy layer including Al and Si particles, and DLC layer laminated over Al-based bearing alloy layer. At least some of the Si particles included in Al-based bearing alloy layer are exposed on DLC layer side surface.
    Type: Application
    Filed: July 7, 2011
    Publication date: May 16, 2013
    Applicant: DAIDO METAL COMPANY LTD.
    Inventors: Shigeru Inami, Koji Zushi, Yukihiko Kagohara
  • SLIDING MEMBER
    Publication number: 20130108198
    Abstract: Slide member is provided with an Cu-based bearing alloy layer including hard particles, and DLC layer laminated over Cu-based bearing alloy layer. At least some of the hard particles included in Cu-based bearing alloy layer are exposed on DLC layer side surface.
    Type: Application
    Filed: July 7, 2011
    Publication date: May 2, 2013
    Applicant: DAIDO METAL COMPANY LTD.
    Inventors: Koji Zushi, Shigeru Inami, Yukihiko Kagohara