Patents Examined by Karl Easthon
  • Method of making an electrical device comprising a conductive polymer
    Patent number: 6130597
    Abstract: An electrical device in which a resistive element composed of a conductive polymer composition and two electrodes is made by a method in which the device is cut from a laminate of the conductive polymer composition and the electrodes, is exposed to a thermal treatment at a temperature above the melting temperature of the conductive polymer composition, and is then crosslinked.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: October 10, 2000
    Inventors: James Toth, Mark F. Wartenberg, Mark Bannick
  • Temperature sensor
    Patent number: 5644284
    Abstract: An oxide composition including (Al.sub.1-x-y Cr.sub.x Fe.sub.y).sub.2 O.sub.3 and prescribed amounts of Mn or Mg, is provided. A temperature sensor including a heat-resistant cap, a thermistor element accommodated in the heat-resistant cap, and a pair of lead wires electrically connected to each other via the thermistor element and extending outside the heat-resistant cap is also provided, the thermistor element including the above-mentioned oxide composition.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: July 1, 1997
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroki Moriwake, Tsuyoshi Tanaka, Masayuki Takahashi