Patents by Inventor Toshishige Sakamoto

Toshishige Sakamoto 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).

  • Cover for car lamps
    Patent number: 4872745
    Abstract: A cover for car lamps comprising a transparent base and a transparent element with variable coloring intensity capable of coloring and discoloring by electric conduction, disposed on at least a part of the base.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: October 10, 1989
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Norio Fujisawa, Toshishige Sakamoto, Toshiyasu Ito, Junichi Shimada