Patents by Inventor Kuniaki Yoshikata

Kuniaki Yoshikata 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).

  • Barrier film and method for production thereof
    Publication number: 20030068534
    Abstract: The present invention provides a barrier-forming film (A) useful for manufacturing various packaging container, which has a higher barrier-formability to prevent permeation of oxygen gas or steam, and a manufacturing method thereof. The barrier-forming film of the invention comprises a substrate film (1) having a vapor-deposited film (2) of an inorganic oxide, and by applying an annealing treatment thereto to limit the steam permeability within a range of from 2.0 to 0.000001 g/m2.day, and the oxygen permeability, within a range of from 2.0 to 0.000001 cc/m2.day.
    Type: Application
    Filed: May 31, 2002
    Publication date: April 10, 2003
    Inventors: Koujiro Ohkawa, Atsuo Tsuzuki, Kuniaki Yoshikata