Patents by Inventor Takami Nishikawa

Takami Nishikawa 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).

  • Reflection-preventive pellicle film
    Patent number: 4966813
    Abstract: A reflection-preventive layer composed of a specific polyfluoro(meth)acrylate is formed on one or both of the surfaces of a transparent film of a cellulose derivative. In this reflection-preventive pellicle film, the minimum light transmission in wavelengths of 350 to 450 nm is improved and the average light transmission is improved, and the adhesion of the reflection-preventive layer to the cellulose derivative layer is excellent.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: October 30, 1990
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Tokinori Agou, Hitomi Matsuzaki, Masahide Tanaka, Takamasa Tsumoto, Masaaki Kawasaki, Takami Nishikawa, Shuji Minami