Patents by Inventor Mitsuru Matsunaga

Mitsuru Matsunaga 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).

  • Color video display apparatus for vehicles
    Patent number: 4682228
    Abstract: A color video display apparatus for vehicles detects a light or dark condition outside a vehicle to perform a variable gain control on a circuit for amplifying blue, green and red video signals. In response to the dark condition outside the vehicle, the amplification factor of the red video signal is increased relative to those of the blue and green video signals.
    Type: Grant
    Filed: August 14, 1985
    Date of Patent: July 21, 1987
    Assignee: Nippondenso Co., Ltd.
    Inventors: Noriyoshi Ando, Hajime Mikuni, Mitsuru Matsunaga, Naoki Horie, Tomohisa Kishigami