Patents by Inventor Tamiaki Nagoshi

Tamiaki Nagoshi 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).

  • Patent number: 6222003
    Abstract: An aromatic polycarbonate film having excellent transparency and surface smoothness as well as good lubricity useful for optical use through solving the problems of defects such as scratches, wrinkles or abrasions in the production processes and processing processes of the aromatic polycarbonate film for optical use, by specified quality about the concavo-convex forms on both the surfaces of the aromatic polycarbonate film, and by employing specific drying conditions in the drying processes after casting from a solution in a solution-casting film-making method of an aromatic polycarbonate solution.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: April 24, 2001
    Inventors: Masahiro Hosoi, Tamiaki Nagoshi