Patents by Inventor Hiroto Fujiwara

Hiroto Fujiwara 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: 5006696
    Abstract: Disclosed is a face-like heating device using an organic PTC thermistor plate having at least one pair of electrodes formed on one major surface thereof and a soaking plate made of a material having a thickness in the range of 0.1 mm to 0.3 mm and having thermal conductivity of 0.4 cal cm.sup.-1 S.sup.-1 deg.sup.-1 or higher adhered to the other major surface thereof.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: April 9, 1991
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Katsuyuki Uchida, Hiroto Fujiwara