Patents by Inventor Masatsugu HIROSE

Masatsugu HIROSE 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).

  • METHOD FOR MAKING SCREW HOLE
    Publication number: 20220410296
    Abstract: A method for making a screw hole in a workpiece including a plate-shaped portion includes: preparing an auxiliary member having a flat plate shape; forming, in the plate-shaped portion, a first pilot hole having a minor diameter smaller than a major diameter of the screw hole; forming, in the auxiliary member, a second pilot hole having a minor diameter smaller than the major diameter of the screw hole; fixing the auxiliary member to the plate-shaped portion so that the first pilot hole is concentric with the second pilot hole; and making the screw hole in the plate-shaped portion and the auxiliary member by inserting a tap in the first pilot hole and the second pilot hole.
    Type: Application
    Filed: October 30, 2020
    Publication date: December 29, 2022
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Fumihiko INOUE, Masatsugu HIROSE