Patents by Inventor Naoto Tsubokawa

Naoto Tsubokawa 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).

  • VARIABLE ANGLE FIXATION MECHANISM, AND BONE PLATE AND BONE TREATMENT TOOL
    Publication number: 20220142688
    Abstract: A fixation mechanism in which a first thread groove extending in one turning direction and a second thread groove extending in a turning direction opposite to the one turning direction and intersecting the first thread groove are formed in a first member-side thread portion of a first member. The thread divided portion being formed as a result of the first thread groove and the second thread groove intersecting each other. A second member-side thread portion of a second member can be screwed to the first thread groove of the first member-side thread portion. The second member is fixed at a suitable angle 0 relative to the first member.
    Type: Application
    Filed: November 8, 2021
    Publication date: May 12, 2022
    Applicant: MEIRA Corporation
    Inventors: Naoto Tsubokawa, Koji Moriya, Takaharu Ishii