Patents by Inventor Yaichi Fuwa

Yaichi Fuwa 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).

  • Magnetic levitation transportation system ground coil unit and manufacturing method thereof
    Patent number: 7578242
    Abstract: In a magnetic levitation transportation system ground coil unit in which inside an annular coil conductor that is annularly wound, a mounting bush 3 including such a mounting hole 3a as to be parallel to a central axis of the coil conductor is disposed, and the coil conductor and the bush 3 are integrally molded using a thermoplastic resin to form a casing 4 of the coil conductor, thickness of the thermoplastic resin of a connection part that provides a connection between the bush 3 and the coil conductor is made smaller than thickness of the coil conductor, and a plurality of reinforcing ribs 4b to 4i that are formed using the thermoplastic resin are provided radially from the bush 3 side toward the coil conductor side to be integral with the connection part and the casing 4.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: August 25, 2009
    Assignees: Mitsubishi Electric Corporation, Central Japan Railway Company, Idemitsu Kosan Co., Ltd.
    Inventors: Yoshifumi Itabashi, Yoshihiro Jizo, Akihiro Fujita, Hiromori Ishihara, Hiroaki Ota, Toru Iga, Haruo Kobayashi, Yaichi Fuwa
  • MAGNETIC LEVITATION TRANSPORTATION SYSTEM GROUND COIL UNIT AND MANUFACTURING METHOD THEREOF
    Publication number: 20090120322
    Abstract: In a magnetic levitation transportation system ground coil unit in which inside an annular coil conductor that is annularly wound, a mounting bush 3 including such a mounting hole 3a as to be parallel to a central axis of the coil conductor is disposed, and the coil conductor and the bush 3 are integrally molded using a thermoplastic resin to form a casing 4 of the coil conductor, thickness of the thermoplastic resin of a connection part that provides a connection between the bush 3 and the coil conductor is made smaller than thickness of the coil conductor, and a plurality of reinforcing ribs 4b to 4i that are formed using the thermoplastic resin are provided radially from the bush 3 side toward the coil conductor side to be integral with the connection part and the casing 4.
    Type: Application
    Filed: August 17, 2007
    Publication date: May 14, 2009
    Applicants: Mitsubishi Electric Corporation, Central Japan Railway Company
    Inventors: Yoshifumi Itabashi, Yoshihiro Jizo, Akihiro Fujita, Hiromori Ishihara, Hiroaki Ota, Toru Iga, Haruo Kobayashi, Yaichi Fuwa