Patents by Inventor Kazunori Motoda

Kazunori Motoda 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 molding resin gear and method of manufacturing the same
    Patent number: 9855690
    Abstract: An injection molding resin gear includes: a tooth portion having teeth formed on an outer peripheral portion thereof; a shaft supporting portion formed around a center of rotation; and a web that connects the tooth portion and the shaft supporting portion, wherein the web includes a concave and convex portion having a concave portion formed on a first surface and a convex portion formed on a second surface formed at a position corresponding to the concave portion, and one of the concave portion or the convex portion of the concave and convex portion includes a gate point, and the concave and convex portions include a thinned portion at radial end portion in a radial cross section passing through the center of rotation of the concave and convex portion.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: January 2, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazunori Motoda
  • INJECTION MOLDING RESIN GEAR AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20150174804
    Abstract: An injection molding resin gear includes: a tooth portion having teeth formed on an outer peripheral portion thereof; a shaft supporting portion formed around a center of rotation; and a web that connects the tooth portion and the shaft supporting portion, wherein the web includes a concave and convex portion having a concave portion formed on a first surface and a convex portion formed on a second surface formed at a position corresponding to the concave portion, and one of the concave portion or the convex portion of the concave and convex portion includes a gate point, and the concave and convex portions include a thinned portion at radial end portion in a radial cross section passing through the center of rotation of the concave and convex portion.
    Type: Application
    Filed: October 22, 2014
    Publication date: June 25, 2015
    Inventor: Kazunori Motoda