Patents by Inventor Kuniyoshi Fujikawa

Kuniyoshi Fujikawa 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).

  • Sensor device for use with cooking appliances
    Patent number: 4658120
    Abstract: A sensor device capable of accurately sensor humidity using a pair of sensing elements in which the sensor device contains a pair of sensor elements and are negligibly variable against variations in the physical volume of humidity in comparison to variations in the temperature of these sensor elements.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: April 14, 1987
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Kuniyoshi Fujikawa
  • Cooking completion detection in a cooking appliance
    Patent number: 4591684
    Abstract: A cooking appliance in which food stored in a heating chamber is cooked by heating includes a detecting sensor for detecting completion of food to be cooked, a food weight measuring device for measuring weight of food to be cooked stored in the heating chamber, a detector for detecting a variation of the output of the detecting sensor, a comparison circuit for comparing the output of the detector with the output of the food weight measuring sensor, and a controller for controlling the heating operation depending upon on the output of the comparison circuit.
    Type: Grant
    Filed: April 16, 1985
    Date of Patent: May 27, 1986
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takeshi Tanabe, Kuniyoshi Fujikawa, Takatoshi Yasuda, Nobuo Takeoka