Patents by Inventor Kiyotami HISAMATSU

Kiyotami HISAMATSU 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).

  • Cage for radial roller bearing
    Patent number: 10533607
    Abstract: One end side projecting portion (30a) of a first cage element (9a) fits in the other end side recess portion (41b) of a second cage element (9b), and one end side projecting portion (30b) of the second cage element (9b) fits in the other end side recess portion (41a) of the first cage element (9a), whereby the first cage element (9a) and the second cage element (9b) are restrained from being displaced relatively in an axial direction.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: January 14, 2020
    Assignee: NSK LTD.
    Inventor: Kiyotami Hisamatsu
  • CAGE FOR RADIAL ROLLER BEARING
    Publication number: 20160319870
    Abstract: One end side projecting portion (30a) of a first cage element (9a) fits in the other end side recess portion (41b) of a second cage element (9b), and one end side projecting portion (30b) of the second cage element (9b) fits in the other end side recess portion (41a) of the first cage element (9a), whereby the first cage element (9a) and the second cage element (9b) are restrained from being displaced relatively in an axial direction.
    Type: Application
    Filed: October 17, 2014
    Publication date: November 3, 2016
    Applicant: NSK LTD.
    Inventor: Kiyotami HISAMATSU