Patents by Inventor Hideo Yamamura

Hideo Yamamura 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).

  • Induction heating apparatus
    Patent number: 4115677
    Abstract: An induction heating apparatus includes an inverter circuit, a plurality of output coils for induction heating, a coil selection circuit for selectively connecting the output coils to the output terminal of the inverter circuit, and a control circuit for driving the coil selection circuit and inverter circuit so as to cyclically supply the output of the inverter to any selected one of the output coils for each predetermined time of a predetermined cycle. The induction heating apparatus further includes a plurality of output adjusting means for setting the output period of the respective output coils which is included in the predetermined cycle.
    Type: Grant
    Filed: January 18, 1978
    Date of Patent: September 19, 1978
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Hideo Yamamura, Katsuharu Matsuo, Nobuyuki Nagai