Patents by Inventor Hiroyoshi Kawahira

Hiroyoshi Kawahira 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).

  • Power transmission system with current limiting devices
    Patent number: 4724502
    Abstract: A power transmission system with current-limiting devices having a plurality of power transmission stations for transmitting power from a power-receiving line to respective loads wherein each current-limiting device includes a series circuit constructed of current-limiting elements and a bypass switch connected in parallel thereto. The terminals at one end of the limiting devices are connected to corresponding buses of the transmission stations while the terminals at the other end are connected to each other.
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: February 9, 1988
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hiroyoshi Kawahira, Tsuruo Yorozuya, Yasuhide Shinozaki, Kazuhiro Yokouchi, Hiroshi Suzuki