Patents by Inventor Shoji Miyasaka

Shoji Miyasaka 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).

  • Injection molded resin gear and injection molded resin rotating body
    Patent number: 7406891
    Abstract: An injection molded resin gear 1, which is molded by injecting a resin material from a plurality of pinpoint gates 13 into a cavity 2 of a die, includes a rim 7 having teeth 8 on its outer periphery, a shaft supporting portion 5 into which a shaft 3 is to be fitted, a web 6 extending in radial directions to connect the rim 7 to the shaft supporting portion 5, and a plurality of resin flow velocity regulating grooves 11.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: August 5, 2008
    Assignee: Enplas Corporation
    Inventor: Shoji Miyasaka
  • Injection molded resin gear and injection molded resin rotating body
    Publication number: 20040241276
    Abstract: An injection molded resin gear 1, which is molded by injecting a resin material from a plurality of pinpoint gates 13 into a cavity 2 of a die, includes a rim 7 having teeth 8 on its outer periphery, a shaft supporting portion 5 into which a shaft 3 is to be fitted, a web 6 extending in radial directions to connect the rim 7 to the shaft supporting portion 5, and a plurality of resin flow velocity regulating grooves 11.
    Type: Application
    Filed: June 1, 2004
    Publication date: December 2, 2004
    Inventor: Shoji Miyasaka