Patents by Inventor Teruyo Komura

Teruyo Komura 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 for imparting a hydrophilic nature to a contact lens
    Patent number: 5409731
    Abstract: A method for imparting a hydrophilic nature to a contact lens, which comprises dipping a contact lens in a solution containing a water-soluble amino group-containing polymer in an amount effective to impart a hydrophilic nature to the contact lens and a crosslinking agent in an amount effective to crosslink the amino group-containing polymer, and forming a hydrophilic layer of the amino group-containing polymer crosslinked on the surface of the contact lens.
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: April 25, 1995
    Assignee: Tomei Sangyo Kabushiki Kaisha
    Inventors: Akira Nakagawa, Teruyo Komura