Patents by Inventor Misa Mishna

Misa Mishna 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).

  • Method of dyeing thermoplastic resin article and colored plastic lens obtainable by that method
    Patent number: 6942705
    Abstract: The invention provides a method of effectively dyeing a thermoplastic resin plastic lens in any desired color tone and density as well as a colored plastic lens made by the method. The method involves dipping a thermoplastic resin plastic lens in a dyeing liquid containing one or more disperse dyes and one or more monocyclic monoterpenes.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: September 13, 2005
    Assignee: Hoya Corporation
    Inventors: Kazuo Inoue, Misa Mishna, Masahiro Nakagawa