Patents by Inventor Toyoji Umeda

Toyoji Umeda 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).

  • Manufacturing process and straightening jig for hollow tapered rods
    Patent number: 4160639
    Abstract: Manufacturing process and straightening jig for a hollow tapered rod characterized in that in mid-process of curing the resin in a fiber-reinforced resin-impregnated sheet wound around a mandrel, the mandrel is pulled out of the wound sheet in a semi-cured state or the mandrel is pulled out and again thrust into the wound sheet; then the wound sheet with the mandrel pulled out or the wound sheet with the mandrel reinserted is placed on a straightening jig and left there until the curing is completed.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: July 10, 1979
    Inventor: Toyoji Umeda
  • Line guide for fishing rod
    Patent number: D301052
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: May 9, 1989
    Assignee: Daiwa Saiko, Inc.
    Inventor: Toyoji Umeda
  • Reel seat for fishing rod
    Patent number: D323373
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: January 21, 1992
    Assignee: Daiwa Seiko, Inc.
    Inventor: Toyoji Umeda