Patents by Inventor Tadaaki Hourai

Tadaaki Hourai 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).

  • Laminate coil and brushless motor using same
    Patent number: 7291956
    Abstract: A laminate coil for an integral n-phase motor (n is a natural number of 2 or more) having pluralities of coil poles formed by patterned conductor coils formed in a laminate constituted by pluralities of insulating layers, the laminate coil comprising input and output terminals formed on an outer surface of the laminate, a first connecting line connecting the input terminal to the coil poles, and second connecting lines series-connecting coil poles having the same polarity, the first and second connecting lines being formed by conductor patterns, and the coil poles being formed on pluralities of insulating layers sandwiched by the first and second connecting lines.
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: November 6, 2007
    Assignee: Hitachi Metals, Ltd.
    Inventors: Hiroyuki Itoh, Tadaaki Hourai
  • Laminate coil and brushless motor using same
    Publication number: 20050285470
    Abstract: A laminate coil for an integral n-phase motor (n is a natural number of 2 or more) having pluralities of coil poles formed by patterned conductor coils formed in a laminate constituted by pluralities of insulating layers, the laminate coil comprising input and output terminals formed on an outer surface of the laminate, a first connecting line connecting the input terminal to the coil poles, and second connecting lines series-connecting coil poles having the same polarity, the first and second connecting lines being formed by conductor patterns, and the coil poles being formed on pluralities of insulating layers sandwiched by the first and second connecting lines.
    Type: Application
    Filed: August 7, 2003
    Publication date: December 29, 2005
    Applicant: HITACHI METALS, LTD.
    Inventors: Hiroyuki Itoh, Tadaaki Hourai