Patents by Inventor Takehisa KASHIMA

Takehisa KASHIMA 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).

  • Patent number: 10141789
    Abstract: An equivalent circuit of a converter (4) is represented by a series connection between an equivalent capacitor (41) and an equivalent resistor (42), and the converter (4) includes a controller that adjusts a power factor of the input power by controlling a capacitive reactance (Xc) of the equivalent capacitor (41).
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: November 27, 2018
    Assignees: CENTRAL JAPAN RAILWAY COMPANY, TOYO ELECTRIC MFG. CO., LTD.
    Inventors: Yuki Kashiwagi, Toshiaki Murai, Yoshiyasu Hagiwara, Tadashi Sawada, Takayoshi Tanaka, Takehisa Kashima
  • Publication number: 20180109143
    Abstract: An equivalent circuit of a converter (4) is represented by a series connection between an equivalent capacitor (41) and an equivalent resistor (42), and the converter (4) includes a controller that adjusts a power factor of the input power by controlling a capacitive reactance (Xc) of the equivalent capacitor (41).
    Type: Application
    Filed: April 13, 2016
    Publication date: April 19, 2018
    Applicants: CENTRAL JAPAN RAILWAY COMPANY, TOYO ELECTRIC MFG. CO., LTD.
    Inventors: Yuki KASHIWAGI, Toshiaki MURAI, Yoshiyasu HAGIWARA, Tadashi SAWADA, Takayoshi TANAKA, Takehisa KASHIMA