Patents by Inventor Masataka Naito

Masataka Naito 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).

  • Humidity sensitive element
    Patent number: 4447352
    Abstract: A humidity sensitive element, which comprises a sintered humidity sensitive resistor composed of 70 to 20 mole % of ZnFe.sub.2 O.sub.4 and 30 to 80 mole % of a member selected from the group consisting of SiO.sub.2 and MnO.sub.2 and can detect humidity as electrical signals due to the nature of the element that its electrical resistance varies with the change of the humidity to be detected.
    Type: Grant
    Filed: February 8, 1983
    Date of Patent: May 8, 1984
    Assignee: Nippondenso Co., Ltd.
    Inventors: Haruhiko Inoue, Shun-ichi Murasaki, Masataka Naito