Patents by Inventor Toshio Marukawa

Toshio Marukawa 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).

  • Massager
    Patent number: 4577626
    Abstract: A massager is composed of a linear compressor having a piston reciprocated by force of electromagnetic attraction to produce compressed air at a safe pressure with a relatively small difference between the rated pressure and the maximum pressure, a distributor for allowing the compressed air fed from the compressor to be selectively discharged therefrom and a bag having a plurality of air tight sections which are successively expanded by receiving the compressed air fed from the distributor.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: March 25, 1986
    Assignee: Nikki Co., Ltd.
    Inventors: Toshio Marukawa, Haruki Nakao, Toshio Mikiya