Patents by Inventor Ryosuke Fujino

Ryosuke Fujino 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).

  • Continuously variable transmission
    Patent number: 11624427
    Abstract: A spider is screwed to a drive shaft, includes a first screw that advances in one direction of an axial direction of the drive shaft when the spider rotates relative to the drive shaft in one direction of a circumferential direction, and is fastened to the drive shaft by the first screw. A nut is screwed to the drive shaft, includes a second screw that advances in the other direction of the axial direction of the drive shaft when the nut rotates relative to the drive shaft in one direction of the circumferential direction, and is fastened to the drive shaft by the second screw.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: April 11, 2023
    Assignee: KAWASAKI MOTORS, LTD.
    Inventors: Seiji Itoo, Yasuhiro Kuji, Shouji Ozawa, Kaoru Oda, Ryosuke Fujino, Hisashi Takeuchi, Manabu Hidaka
  • CONTINUOUSLY VARIABLE TRANSMISSION
    Publication number: 20210190182
    Abstract: A spider is screwed to a drive shaft, includes a first screw that advances in one direction of an axial direction of the drive shaft when the spider rotates relative to the drive shaft in one direction of a circumferential direction, and is fastened to the drive shaft by the first screw. A nut is screwed to the drive shaft, includes a second screw that advances in the other direction of the axial direction of the drive shaft when the nut rotates relative to the drive shaft in one direction of the circumferential direction, and is fastened to the drive shaft by the second screw.
    Type: Application
    Filed: December 23, 2019
    Publication date: June 24, 2021
    Inventors: Seiji Itoo, Yasuhiro Kuji, Shouji Ozawa, Kaoru Oda, Ryosuke Fujino, Hisashi Takeuchi, Manabu Hidaka