Patents by Inventor Youske Takahashi

Youske Takahashi 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).

  • Electrochromic element
    Patent number: 4135790
    Abstract: An electrochromic element comprising a composite cell composed of a lamination of a plurality of unit cells, at least in partial registry with one another; each of said unit cells having a pair of transparent flat electrodes at least in partial registry with one another and an electrochromic material filling a space between said transparent electrodes, and a transparent substrate for supporting said composite cell.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: January 23, 1979
    Assignee: Nippon Kogaku K.K.
    Inventors: Youske Takahashi, Hideki Akasaka