Patents by Inventor Koji NAGUMO

Koji NAGUMO 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).

  • Speed change gear and manufacturing method therefor
    Patent number: 8540598
    Abstract: A speed change gear includes: an internal gear member; an eccentric member; an oscillating member; a pair of first and second rotating members; and a pin that is supported at both ends by insertion holes of the first and second rotating members. The insertion hole and the insertion hole have the same diameter. The outside diameter of the other side end portion of the pin is smaller than the outside diameter of one side end portion of the pin such that the one side end portion is press-fitted in the corresponding insertion hole and the other side end portion is supported by the corresponding insertion hole.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: September 24, 2013
    Assignee: JTEKT Corporation
    Inventors: Mayuko Wakida, Motoyasu Yamamori, Atsushi Ando, Kazuya Hattori, Hiromichi Ota, Yoshinobu Kato, Koji Nagumo, Tomohiro Honda
  • SPEED CHANGE GEAR AND MANUFACTURING METHOD THEREFOR
    Publication number: 20110245030
    Abstract: A speed change gear includes: an internal gear member; an eccentric member; an oscillating member; a pair of first and second rotating members; and a pin that is supported at both ends by insertion holes of the first and second rotating members. The insertion hole and the insertion hole have the same diameter. The outside diameter of the other side end portion of the pin is smaller than the outside diameter of one side end portion of the pin such that the one side end portion is press-fitted in the corresponding insertion hole and the other side end portion is supported by the corresponding insertion hole.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 6, 2011
    Applicant: JTEKT CORPORATION
    Inventors: Mayuko WAKIDA, Motoyasu YAMAMORI, Atsushi ANDO, Kazuya HATTORI, Hiromichi OTA, Yoshinobu KATO, Koji NAGUMO, Tomohiro HONDA