Patents by Inventor Zhanlong ZHANG

Zhanlong ZHANG 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: 11541462
    Abstract: A cutting insert has: an upper surface; a lower surface; a side surface, having a first surface and a second surface disposed opposite each other between the upper surface and the lower surface; and a first cutting edge. The lower surface has a plurality of slots extending from a side of the first surface to a side of the second surface. In addition, when viewed from a side of the lower surface, if the angle between a ridge line on which the upper surface and the first surface intersect and an imaginary extension line of the plurality of slots is defined as ?1, and the angle between a ridge line on which the lower surface and the first surface intersect and the imaginary extension line is defined as ?2, then ?2>?1.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: January 3, 2023
    Assignee: KYOCERA Corporation
    Inventor: Zhanlong Zhang
  • Publication number: 20200206827
    Abstract: A cutting insert has: an upper surface; a lower surface; a side surface, having a first surface and a second surface disposed opposite each other between the upper surface and the lower surface; and a first cutting edge. The lower surface has a plurality of slots extending from a side of the first surface to a side of the second surface. In addition, when viewed from a side of the lower surface, if the angle between a ridge line on which the upper surface and the first surface intersect and an imaginary extension line of the plurality of slots is defined as ?1, and the angle between a ridge line on which the lower surface and the first surface intersect and the imaginary extension line is defined as ?2, then ?2>?1.
    Type: Application
    Filed: September 6, 2018
    Publication date: July 2, 2020
    Applicant: KYOCERA Corporation
    Inventor: Zhanlong ZHANG