Patents by Inventor Yoshihiko Mukaiyama

Yoshihiko Mukaiyama 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).

  • MOLD FOR RESIN SHAFT-END FLANGE AND ROLLER FOR IMAGE FORMING DEVICE INCLUDING THE RESIN SHAFT-END FLANGE PRODUCED BY THE MOLD
    Publication number: 20130051858
    Abstract: A mold for producing a resin shaft-end flange for a roller for image forming devices, wherein the shaft-end flange includes a flange portion and a shaft portion projecting axially from the center axis of the flange portion and adapted to be fitted to an end portion of a metal sleeve of the roller. The mold (10) includes a flange-forming cavity (12) and a shaft-forming cavity (16) corresponding to the flange portion and the shaft portion of the shaft-end flange, respectively. The inner surface of the shaft-forming cavity is designed so that the shaft portion of the shaft-end flange has a sectional shape (16TP) with nth order fold-axis symmetry, where “n” represents an integer not less than 2.
    Type: Application
    Filed: March 29, 2011
    Publication date: February 28, 2013
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Yoshihiko Mukaiyama