Patents by Inventor Yoichi Sekigawa

Yoichi Sekigawa 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).

  • Patent number: 4734562
    Abstract: An electric toaster oven for use both as a toaster and as an oven, including a heater or heaters for heating an article placed in a baking chamber, a baked condition detector which detects the baked condition of the article through the detection of the heat radiated from the article, a plate forming part of the wall of the baking chamber and having a heat guide opening for transferring the heat radiated from the article therethrough to the baked condition detector, a tubular guide for guiding the heat to the baked condition detector, and a control circuit which controls supplying current to the heater or heaters on the basis of a detection signal provided by the baked condition detector. The baked condition detector includes a pair of thermosensitive elements disposed in different thermal conditions, respectively, and provides a signal corresponding to the difference between the respective temperature-dependent output signals of the thermosensitive elements.
    Type: Grant
    Filed: July 21, 1986
    Date of Patent: March 29, 1988
    Assignee: Toshiba Heating Appliances Co., Ltd.
    Inventors: Kazunori Amano, Yoichi Sekigawa, Nobuyuki Kojima, Shigeki Yamaguchi