Patents by Inventor Hiroyasu Miyahara

Hiroyasu Miyahara 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).

  • Secondary battery charger and heater
    Patent number: 4081737
    Abstract: A plate of magnetic material is provided in close proximity to a flat transformer in a manner to effectively generate heat due to eddy currents induced in the plate by leakage magnetic flux from the flat transformer, whereby a charger, including the transformer and the plate, can charge a battery while also warming the same.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: March 28, 1978
    Inventor: Hiroyasu Miyahara