Patents by Inventor Shigayuki Ikeda

Shigayuki Ikeda 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).

  • Patent number: 4535760
    Abstract: A vibratory massage apparatus comprises a treatment portion elastically carried on a support, a vibration generator including an electric motor for providing vibrations to the treatment portion, and a control circuit connected to the motor for causing vibratory amplitude of the motor to be varied, whereby a variety of vibratory stimulation can be imparted to the user's affected part placed on the treatment portion of the apparatus with an excellent massaging effect.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: August 20, 1985
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Shigayuki Ikeda, Takafumi Hamabe