Patents by Inventor Shigeru Udagawa

Shigeru Udagawa 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).

  • Linear motor truck apparatus
    Patent number: 4860662
    Abstract: A linear motor truck apparatus including: a truck having pairs of wheels rotatably mounted thereon; a supporting mechanism, having a rail extending along a line of travel of the truck, for supporting and guiding the truck along the line of travel by engaging the wheels with the rail; and a drive mechanism, including the linear motor, for driving the truck so that the truck may travel along the line of travel.
    Type: Grant
    Filed: September 7, 1988
    Date of Patent: August 29, 1989
    Assignee: Shinko Electric Co., Ltd.
    Inventors: Takashi Matsumoto, Shigeru Udagawa