Patents by Inventor Ryoutarou KOJIMA

Ryoutarou KOJIMA 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).

  • CATHETER
    Publication number: 20240075242
    Abstract: A catheter includes a shaft having a lumen inside the shaft, and a reinforcing body that is inserted in the shaft and extended along the lumen. The reinforcing body includes a first portion (main body part), and a second portion (distal end portion) that is positioned on the more distal end side than the first portion while being at a distal end portion of the shaft and has larger direct or indirect joining force relative to the shaft than the first portion. Such a catheter is able to increase the breaking strength.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 7, 2024
    Applicant: ASAHI INTECC CO., LTD.
    Inventors: Ryoutarou KOJIMA, Yoshiki KANEKO
  • Manufacturing method of a stator core of rotating electrical machine
    Patent number: 8516682
    Abstract: A manufacturing method of a stator core of a rotating electrical machine includes a finishing process that simultaneously moves a coining punch divided in a circumferential direction and arranged around a helically stacked core to a center side in a radial direction and presses an outer surface of a core-back part of the helically stacked core while pressing an end side of the helically stacked core in an axial direction by a holding device.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: August 27, 2013
    Assignee: Denso Corporation
    Inventor: Ryoutarou Kojima
  • STATOR CORE OF ROTATING ELECTRICAL MACHINE AND MANUFACTURING METHOD THEREOF
    Publication number: 20120223609
    Abstract: A manufacturing method of a stator core of a rotating electrical machine includes a finishing process that simultaneously moves a coining punch divided in a circumferential direction and arranged around a helically stacked core to a center side in a radial direction and presses an outer surface of a core-back part of the helically stacked core while pressing an end side of the helically stacked core in an axial direction by a holding device.
    Type: Application
    Filed: February 29, 2012
    Publication date: September 6, 2012
    Applicant: DENSO CORPORATION
    Inventor: Ryoutarou KOJIMA