Patents by Inventor Hirokazu INABA

Hirokazu INABA 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).

  • Induction heating coil and induction heating method
    Patent number: 10314118
    Abstract: To heat a workpiece having a recess portion provided along a longitudinal axis of the workpiece, the workpiece is inserted into an induction heating coil, and the induction heating coil or the workpiece is along an axial direction of the workpiece. The induction heating coil has a conductor configured to surround the workpiece around the axis of the workpiece. The conductor has a protruding portion protruding inwardly to face the recess portion of the workpiece.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: June 4, 2019
    Assignee: NETUREN CO., LTD.
    Inventors: Hirokazu Inaba, Yutaka Kiyosawa
  • INDUCTION HEATING COIL AND INDUCTION HEATING METHOD
    Publication number: 20160316523
    Abstract: To heat a workpiece having a recess portion provided along a longitudinal axis of the workpiece, the workpiece is inserted into an induction heating coil, and the induction heating coil or the workpiece is along an axial direction of the workpiece. The induction heating coil has a conductor configured to surround the workpiece around the axis of the workpiece. The conductor has a protruding portion protruding inwardly to face the recess portion of the workpiece.
    Type: Application
    Filed: December 17, 2014
    Publication date: October 27, 2016
    Applicant: NETUREN CO., LTD.
    Inventors: Hirokazu INABA, Yutaka KIYOSAWA