Patents by Inventor Toshiji Kishimura

Toshiji Kishimura 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: 6942361
    Abstract: A white LED lighting device and a light source for white LED lighting that enable an energy-saving, maintenance-free operation while ensuring ample illuminance. Structure of a light source for white LED lighting, constituted by: inserting and holding a plurality of white LED elements in holding holes in a reflective plate, said plate being constituted by providing a required number of said holding holes, in a matrix-like array of prescribed pitch, in a plate of shape corresponding to the illuminating surface of a lamp body; fixing said plurality of white LED elements at locations 2 to 4 mm behind their respective electrode portions; attaching the positive and negative terminals of the white LED elements to a base plate for the LED elements, said base plate being disposed parallel to and directly behind the reflective plate; and forming, at the positive and negative terminals, a series-parallel electrical network suitable for the applied voltage.
    Type: Grant
    Filed: August 22, 2003
    Date of Patent: September 13, 2005
    Inventors: Toshiji Kishimura, Harumi Kishimura, Yasuhisa Matsuno, Satoshi Abe, Toshifumi Takahashi, Toshiyuki Tsunashima, Masakatsu Osawa, Noboru Hotta