Patents by Inventor Satoshi ISHIKURI

Satoshi ISHIKURI 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).

  • Worm reducer and electric assist device
    Patent number: 11965582
    Abstract: A worm reducer has: a housing having a wheel housing portion and a worm housing portion; a worm wheel; a worm, a support bearing having an inner ring externally fitted to the tip end portion of the worm and an outer ring; an elastic biasing means elastically biasing the outer ring toward the worm wheel side; and an elastic holding means elastically holding the outer ring from both sides in a direction orthogonal to a biasing direction by the elastic biasing means and to a center axis of the worm housing portion.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: April 23, 2024
    Assignee: NSK LTD.
    Inventors: Ryou Oosawa, Satoshi Ishikuri, Haruhiko Kiyota, Souta Matsumoto, Toru Ishii, Hiroyuki Sugawara
  • WORM REDUCER AND ELECTRIC ASSIST DEVICE
    Publication number: 20220099159
    Abstract: A worm reducer has: a housing having a wheel housing portion and a worm housing portion; a worm wheel; a worm, a support bearing having an inner ring externally fitted to the tip end portion of the worm and an outer ring; an elastic biasing means elastically biasing the outer ring toward the worm wheel side; and an elastic holding means elastically holding the outer ring from both sides in a direction orthogonal to a biasing direction by the elastic biasing means and to a center axis of the worm housing portion.
    Type: Application
    Filed: January 15, 2020
    Publication date: March 31, 2022
    Applicant: NSK Ltd.
    Inventors: Ryou OOSAWA, Satoshi ISHIKURI, Haruhiko KIYOTA, Souta MATSUMOTO, Toru ISHII, Hiroyuki SUGAWARA