Patents by Inventor Hirotaka Shiga

Hirotaka Shiga 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).

  • Plastic gear and method of producing the same
    Publication number: 20020043124
    Abstract: A plastic gear is provided which includes a main body portion and a toothed portion. The main body portion is made of a synthetic resin containing reinforcement fibers. The toothed portion is made of a synthetic resin which is the same as the synthetic resin of which the main body portion is made except that it does not contain any reinforcement fibers. A method of producing such a plastic gear is also provided.
    Type: Application
    Filed: April 13, 2001
    Publication date: April 18, 2002
    Applicant: UNISIA JECS CORPORATION
    Inventors: Hirotaka Shiga, Atsushi Tsuboi, Yuzuru Morioka