Patents by Inventor Tomio Anma

Tomio Anma 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).

  • Shut-off device for fuel cell system
    Patent number: 5154986
    Abstract: A device for shutting-off a fuel cell system includes a main power switch and a parallel latching switch circuit. The latching switch circuit remains closed until all operations necessary to safely shut down the system have been carried out and verified.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: October 13, 1992
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Hiroaki Takechi, Yutaka Mizuno, Tomio Anma