Patents by Inventor Isao Nishio

Isao Nishio 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: 4816983
    Abstract: This invention relates to an enclosed D.C. converting station having enclosed 3-arm integral type bulbs constructed integrally with bulbs for three arms of the same polarity side of bulb arms for forming a 3-phase bridge circuit.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: March 28, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toshiaki Yoshizumi, Isao Nishio