Patents by Inventor Kozi Ohishi

Kozi Ohishi 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).

  • Apparatus for preventing over-discharge
    Patent number: 5929603
    Abstract: An over-discharge prevention apparatus comprising:a voltage detection device 2 for detecting electric voltages of both ends of a electric storage element (B) and outputting a discharge finishing signal (PFD) when a discharge extinction voltage (VL) is detected;a discharge controlling device 3 for delaying the detected output of the voltage detection device 2 for a predetermined time (Td); anda switching device 1 connected in series with the electric storage element (B), the switching device being set to an OFF state by a delay signal of the discharge controlling device.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: July 27, 1999
    Assignee: FDK Corporation
    Inventors: Fumiaki Nakao, Tetsuya Suzuki, Katsuo Yamada, Shoichi Wakao, Kozi Ohishi