Patents by Inventor Atumi Fujimura

Atumi Fujimura 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).

  • Cleaning solution for contact lens exhibiting excellent detergency
    Patent number: 5840671
    Abstract: A cleaning solution for cleaning a contact lens, which includes at least one first component each consisting of a tertiary amine oxide which is represented by the formula given in the specification and at least one second component each consisting of an anionic surface active agent in the form of a triethanolamine salt, a total content of the at least one first component and the at least one second component being within a range of 0.1-20% by weight, a ratio of a total content of the at least one first component to a total content of the at least one second component being within a range from 1/4 to 30/1.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: November 24, 1998
    Assignee: Tomey Technology Corporation
    Inventors: Atumi Fujimura, Kaoru Kamiya, Shinji Tanaka