Patents by Inventor Makoto Ikari

Makoto Ikari 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).

  • Organic optical material
    Patent number: 5315443
    Abstract: Water-resisting organic optical material having excellent transmittancy in visible range and less than 40% transmittancy in infra red range can be easily prepared by adding a metal compound for supplying a desired amount of Cu++ ion, together with a compound for supplying carboxyl radical, phosphoric radical and/or sulfonic radical to a matrix resin.
    Type: Grant
    Filed: June 15, 1993
    Date of Patent: May 24, 1994
    Assignee: Tokyo Seihinkaihatsu Kenkyusho
    Inventors: Tetsusaburo Taira, Makoto Ikari