Patents by Inventor Yukio Shibuya I

Yukio Shibuya I 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).

  • Electric pump
    Patent number: 7896626
    Abstract: An electric pump uses an inner-rotor type, brushless DC motor. A casing of the electric pump is formed by a pump casing and a main casing. A sensor-stator assembly is disposed in a space between a side wall portion of the main casing and a can and is sealed with resin. A first elastic seal member is disposed, in a fluid-tight manner, between the can and the main casing. A second elastic seal member is disposed, in a fluid-tight manner, between the pump casing and the main casing. In this condition, the pump casing and the main casing are fixed together.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: March 1, 2011
    Assignee: Minebea Co., Ltd.
    Inventors: Yukio Shibuya I, Satomi Uchiyama, Takanori Suzuki