Patents by Inventor Toru Akami

Toru Akami 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).

  • Liquid-crystal display unit for camera
    Patent number: 5946507
    Abstract: The present invention relates to an LCD unit that has a reflective liquid-crystal panel including two glass plates with a liquid crystal locked in between, two polarization plates affixed to outer sides of the two glass plates, and a reflection plate arranged under the lower polarization plate. The LCD unit further comprises a light accumulating part that is arranged under the liquid-crystal panel in order to illuminate the liquid-crystal panel and that accumulates light and glows, and a light guide for efficiently introducing light entering externally to the light accumulating part.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: August 31, 1999
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Toru Akami, Minoru Hara, Takashi Suzuki, Motoko Tsutsumi