Patents by Inventor Oji Kawaguchi

Oji Kawaguchi 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).

  • END MILL
    Publication number: 20240123521
    Abstract: An end mill that facilitates discharge of chips and enables twining of chips to be suppressed is provided. An end mill (10) includes a tool body, a helical flute, an end cutting edge, a flank, and a gash. The gash forms a cutting face of the end cutting edge. The cutting face is formed as a recessed curved surface and the end cutting edge comprised of a ridge between the cutting face and the flank is concavely curved.
    Type: Application
    Filed: September 20, 2021
    Publication date: April 18, 2024
    Applicant: OSG CORPORATION
    Inventor: Oji Kawaguchi