Patents by Inventor Kengo Kishi

Kengo Kishi 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).

  • Bearing device
    Patent number: 10221886
    Abstract: In a bearing device 1 which is assembled to a pinion 3 of a rack-and-pinion type drive mechanism 2, the bearing device 1 has a plurality of needle rollers 13. A plurality of pin rollers 9 are supported by an inner surface cylindrically formed by the plurality of needle rollers 13. Each of the plurality of needle rollers 13 is held at both ends 13a, 13b in an axial direction R by a retainer cage 14, so as to prevent the needle rollers 13 from being skewed against the axial direction R.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: March 5, 2019
    Assignee: Kamoseiko Kabushiki Kaisha
    Inventors: Masashi Ozaki, Kengo Kishi
  • BEARING DEVICE
    Publication number: 20190063492
    Abstract: In a bearing device 1, a plurality of columnar needle rollers 13 are provided. A cage 14 is provided in which the needle rollers 13 are arranged in parallel with each other along an axial direction R of a pin roller 9, so that the needle rollers 13 form a cylindrical configuration around the pin roller 9. The cage 14 has oppositely placed two rings 17 and a plurality of bridge pieces 18 bridged between the two rings 17, and having the bridge pieces 18 to rotatably accommodate the needle rollers 13 in order to achieve higher performances.
    Type: Application
    Filed: August 3, 2018
    Publication date: February 28, 2019
    Applicant: KAMOSEIKO KABUSHIKI KAISHA
    Inventors: Masashi OZAKI, Kengo KISHI
  • Bearing Device
    Publication number: 20180187718
    Abstract: In a bearing device 1 which is assembled to a pinion 3 of a rack-and-pinion type drive mechanism 2, the bearing device 1 has a plurality of needle rollers 13. A plurality of pin rollers 9 are supported by an inner surface cylindrically formed by the plurality of needle rollers 13. Each of the plurality of needle rollers 13 is held at both ends 13a, 13b in an axial direction R by a retainer cage 14, so as to prevent the needle rollers 13 from being skewed against the axial direction R.
    Type: Application
    Filed: October 26, 2017
    Publication date: July 5, 2018
    Applicant: KAMOSEIKO KABUSHIKI KAISHA
    Inventors: Masashi Ozaki, Kengo Kishi