Patents by Inventor Miya Minamigawa

Miya Minamigawa 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).

  • Biaxially oriented saturated polyester film, method of making the same, laminate of biaxially oriented saturated polyester film and method of making the same
    Patent number: 7341792
    Abstract: A biaxially oriented saturated polyester film made by a biaxial orientation method, includes a heat-seal side formed in at least one of two sides of the film, the heat-seal side being made by applying a low-temperature plasma treatment to a film surface so that the film surface has a composition ratio of the number of oxygen atoms to the number of carbon atoms, the composition ratio being not less than 105% and not more than 115% of a theoretical value and so that the heat-seal side is heat sealable at a heating temperature ranging from 100° C. to 200° C.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: March 11, 2008
    Assignee: AMT Laboratory Corporation
    Inventors: Takeshi Zinbo, Miya Minamigawa
  • Biaxially oriented saturated polyester film, method of making the same, laminate of biaxially oriented saturated polyester film and method of making the same
    Publication number: 20050079344
    Abstract: A biaxially oriented saturated polyester film made by a biaxial orientation method, includes a heat-seal side formed n at least one of two sides of the film, the heat-seal side being made by applying a low-temperature plasma treatment to a film surface so that said heat-seal side is heat sealable at a heating temperature ranging from 100° C. to 200° C.
    Type: Application
    Filed: August 18, 2004
    Publication date: April 14, 2005
    Inventors: Takeshi Zinbo, Miya Minamigawa