Patents by Inventor Yusuke MAKIUCHI

Yusuke MAKIUCHI 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).

  • DRILL AND CUTTING METHOD
    Publication number: 20240307979
    Abstract: A drill includes a flank face, a rake face, and a main cutting edge on a ridgeline between the rake face and the flank face. The main cutting edge has a first curved portion having a curved shape contiguous with the flank face and a second curved portion having a curved shape contiguous with the rake face in a sectional view orthogonal to an extending direction of the main cutting edge. A first curvature radius of the first curved portion is larger than a second curvature radius of the second curved portion.
    Type: Application
    Filed: June 29, 2022
    Publication date: September 19, 2024
    Applicant: Sumitomo Electric Hardmetal Corp.
    Inventor: Yusuke MAKIUCHI
  • Drill
    Patent number: D1061643
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: February 11, 2025
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventor: Yusuke Makiuchi
  • Drill
    Patent number: D1061644
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: February 11, 2025
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventor: Yusuke Makiuchi