Patents by Inventor Haojie Fu

Haojie Fu 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).

  • Sliding member
    Patent number: 11867295
    Abstract: An object of the present invention is to provide a sliding member coated with a DLC coating in which microfractures on the sliding surface thereof due to the progression of cracks are less likely to occur, and in which an increase in abrasive wear can be reduced. The present invention achieves the above-mentioned object by a sliding member having, on the outer peripheral sliding surface thereof, a DLC coating in which the amount of plastic deformation work as measured by a nanoindentation test is within a specific range.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: January 9, 2024
    Assignee: TPR Co., Ltd.
    Inventors: Tomoyuki Sato, Yutaka Kitazume, Kiyoyuki Kawai, Haojie Fu
  • Sliding Member
    Publication number: 20230392688
    Abstract: An object of the present invention is to provide a sliding member coated with a DLC coating in which microfractures on the sliding surface thereof due to the progression of cracks are less likely to occur, and in which an increase in abrasive wear can be reduced. The present invention achieves the above-mentioned object by a sliding member having, on the outer peripheral sliding surface thereof, a DLC coating in which the amount of plastic deformation work as measured by a nanoindentation test is within a specific range.
    Type: Application
    Filed: September 30, 2021
    Publication date: December 7, 2023
    Inventors: Tomoyuki Sato, Yutaka Kitazume, Kiyoyuki Kawai, Haojie Fu