Patents by Inventor Tositaka Saito

Tositaka Saito 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).

  • Oxygen sensor element
    Patent number: 5716507
    Abstract: An oxygen sensor element for detecting an oxygen concentration, the oxygen sensor includes a solid electrolyte; a porous film covering the solid electrolyte at the gas-measuring side; and a reaction electrode provided on the porous film; wherein the porous film includes ceramic particles and metallic particles, and the metallic particles are bonded with the reaction electrode by a metallic bond. In this way, the porous film includes the ceramic particles and the metallic particles to form an irregular surface, and the reaction electrode is adhered to the irregular surface of the porous film in such a manner that the electrode bites into the surface of the porous film. The metallic particles in the irregular surface of the porous film are tightly bonded to the reaction electrode by the metallic bond.
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: February 10, 1998
    Assignee: Nippondenso Co., Ltd.
    Inventors: Akio Tanaka, Naoto Miwa, Tositaka Saito, Hiromi Sano