Patents by Inventor Kayo Tsuzaki

Kayo Tsuzaki 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).

  • Cooking apparatus including infrared ray sensor
    Patent number: 5919389
    Abstract: In the operation of a thoroughly heating course of a microwave oven, when an ordinary temperature food having a weight of less than 500 g is heated to a desired finishing temperature of 75.degree. C., heating is performed until the temperature of the food reaches 75.degree. C. by a normal output of 650 W (a first mode). After time t.sub.1 at which 75.degree. C. is reached, the food is heated and kept warm at 90.degree. C. higher than 75.degree. C. by a lower output of 350 W (a second mode). As a result, the food can be surely and thoroughly heated to the inside.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: July 6, 1999
    Assignee: Sanyo Electric Co. Ltd.
    Inventors: Hiroyuki Uehashi, Kazuo Taino, Kazuyuki Takimoto, Masaru Noda, Kayo Tsuzaki