Patents by Inventor Syuuji Fujita

Syuuji Fujita 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).

  • Drive shaft sealing device for small watercraft
    Patent number: 7530870
    Abstract: A sealing member can include a radially-working lip which contacts a drive shaft in a radial direction to seal a gap between the drive shaft and the housing in the radial direction, an axially-working lip extending in an axial direction, and a contact member which contacts the axially-working lip to seal the gap between the drive shaft and the housing in the axial direction. The contact member can be fitted to the drive shaft to rotate with the drive shaft.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: May 12, 2009
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Hiroyuki Kishimoto, Tetsuya Mashiko, Hirohiko Kakuyama, Syuuji Fujita
  • DRIVE SHAFT SEALING DEVICE FOR SMALL WATERCRAFT
    Publication number: 20090036006
    Abstract: A sealing member can include a radially-working lip which contacts a drive shaft in a radial direction to seal a gap between the drive shaft and the housing in the radial direction, an axially-working lip extending in an axial direction, and a contact member which contacts the axially-working lip to seal the gap between the drive shaft and the housing in the axial direction. The contact member can be fitted to the drive shaft to rotate with the drive shaft.
    Type: Application
    Filed: September 28, 2007
    Publication date: February 5, 2009
    Applicant: YAMAHA MARINE KABUSHIKI KAISHA
    Inventors: Hiroyuki Kishimoto, Tetsuya Mashiko, Hirohiko Kakuyama, Syuuji Fujita