Patents by Inventor Shimpei OKUYAMA

Shimpei OKUYAMA 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).

  • Gas barrier laminate having excellent water barrier property
    Patent number: 9676171
    Abstract: A gas barrier laminate 10 having an inorganic barrier layer 3 and a water-trapping layer 5 that are formed on a plastic base material 1, the water-trapping layer 5 including a matrix of a cationic polymer (a) in which is distributed a hygroscopic agent (b) having such a hygroscopic property as to attain a humidity lower than a humidity that can be attained by using the matrix. The gas barrier laminate exhibits super barrier property against water despite of a structure of a small number of layers.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: June 13, 2017
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Shimpei Okuyama, Yusuke Obu, Shunya Nangou, Kota Mori
  • GAS BARRIER LAMINATE HAVING EXCELLENT WATER BARRIER PROPERTY
    Publication number: 20150368498
    Abstract: A gas barrier laminate 10 having an inorganic barrier layer 3 and a water-trapping layer 5 that are formed on a plastic base material 1, the water-trapping layer 5 including a matrix of a cationic polymer (a) in which is distributed a hygroscopic agent (b) having such a hygroscopic property as to attain a humidity lower than a humidity that can be attained by using the matrix. The gas barrier laminate exhibits super barrier property against water despite of a structure of a small number of layers.
    Type: Application
    Filed: February 6, 2014
    Publication date: December 24, 2015
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Shimpei OKUYAMA, Yusuke OBU, Shunya NANGOU, Kota MORI