Patents by Inventor Kunio Mutou

Kunio Mutou 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 alkali saponifying polymer film, surface-saponified cellulose ester film and optical film
    Publication number: 20060269768
    Abstract: A for alkali saponifying a polymer film is provided and includes the steps of: coating a polymer film at room temperature or higher with an alkali solution having specific ratios among an alkali, a high-boiling solvent, water and water; and the step of washing away the alkali solution from the polymer film.
    Type: Application
    Filed: May 25, 2006
    Publication date: November 30, 2006
    Applicant: FUJI PHOTO FILM CO. LTD.
    Inventor: Kunio Mutou