Patents by Inventor Hisazi Shinoki

Hisazi Shinoki 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).

  • Plunger type electromagnet
    Patent number: 4233585
    Abstract: An electromagnet of the plunger type is disclosed which includes a plunger body and a guide for guiding the plunger body in its sliding movement. The plunger body is formed with a resin coat on the surface thereof which is brought into sliding contact with the guide, and the guide is formed with a resin at least in a portion thereof which is brought into sliding contact with the plunger body, so that in the electromagnet the magnetic resistance may be reduced and the sliding characteristics and the wear resisting property may be improved.
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: November 11, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Shun-ichiro Sugimoto, Hisazi Shinoki