Patents by Inventor Shiei Kitao

Shiei Kitao 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).

  • Miniature motor having positive-coefficient thermistor
    Patent number: 5010264
    Abstract: A miniature motor having a positive-coefficient thermistor in which a first supporting member made of an electrically conductive material and electrically connected to at least any one of a pair of brushes housed in a motor cover plate, and a second supporting member made of an electrically conductive material and electrically connected to an external terminal are provided; a positive-coefficient thermistor being supported between the first and second supporting members.This construction makes the assembly of the motor easy, leading to improved productivity, and allows the motor to have a positive overheat preventing function without adding to the number of parts.
    Type: Grant
    Filed: September 1, 1989
    Date of Patent: April 23, 1991
    Assignees: Mabuchi Motor Co., Ltd., Mitsui Mining & Smelting Co.
    Inventors: Shinjiro Yamada, Seiki Satoh, Kazuichi Mabuchi, Shiei Kitao, Yoshiaki Egawa