Patents by Inventor Takamitsu Iitsuka

Takamitsu Iitsuka 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).

  • Surgical bur
    Patent number: 11806024
    Abstract: A surgical bur includes a shaft portion that rotates in a rotation direction about a rotation axial line of the surgical cutting bur, and a cutting portion that is provided at a distal end of the shaft portion. In the surgical bur, the cutting portion has a spherical shape, has abrasive grains on a surface of the cutting portion, and has a first vertical groove extending from a distal end side of the cutting portion in an axial direction.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: November 7, 2023
    Assignee: NAKANISHI INC.
    Inventor: Takamitsu Iitsuka
  • SURGICAL BUR
    Publication number: 20220409213
    Abstract: A surgical bur includes a shaft portion that rotates in a rotation direction about a rotation axial line of the surgical cutting bur, and a cutting portion that is provided at a distal end of the shaft portion. In the surgical bur, the cutting portion has a spherical shape, has abrasive grains on a surface of the cutting portion, and has a first vertical groove extending from a distal end side of the cutting portion in an axial direction.
    Type: Application
    Filed: December 15, 2021
    Publication date: December 29, 2022
    Inventor: Takamitsu Iitsuka