Patents by Inventor Sadao Zushi

Sadao Zushi 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).

  • High frequency heating apparatus with selectable steam generating means
    Patent number: 4454404
    Abstract: A high frequency heating apparatus comprises an oven for receiving a food stuff to be cooked, a high frequency generator for supplying high frequency wave to the foodstuff, a steam generator for supplying steam to the foodstuff, and a control circuit. The control circuit operates so as to drive only the selected one of the high frequency generator and the steam generator or to drive first the steam generator and then the high frequency generator.
    Type: Grant
    Filed: November 24, 1981
    Date of Patent: June 12, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventor: Sadao Zushi
  • Microwave ovens with programmable control
    Patent number: 4295027
    Abstract: The microwave oven is provided with a main control circuit including an input mechanism of an information regarding a cooking time, a heat output level, foodstuff temperature, and the like, the main control circuit controlling the cooking operation in accordance with the predetermined operating condition represented by the input information and a magnetron energized by the output of the main control circuit.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: October 13, 1981
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Sadao Zushi, Yoshio Oida