Patents by Inventor Shigeru Tsukakoshi

Shigeru Tsukakoshi 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).

  • Electromagnetic counter
    Patent number: 5578807
    Abstract: A welded portion is formed by mounting a synthetic resin frame, in which a count display device including character wheels, a driving device for operating the count display device, and a driving source of the driving device, are incorporated, within a casing from the open side of the casing, and welding at least one portion of the contact portion of the frame and said synthetic resin casing using an ultrasonic welding device.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: November 26, 1996
    Inventor: Shigeru Tsukakoshi