Patents by Inventor Tatsuhiko Usui

Tatsuhiko Usui 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).

  • Sealant film and laminate film
    Patent number: 10625493
    Abstract: A sealant film used by being laminated on a substrate includes a sealing layer including a first polyolefin resin and an antifogging agent and a first resin layer including 10% to 40% by mass of a cyclic polyolefin resin and 60% to 90% by mass of a second polyolefin resin, wherein the second polyolefin resin is not a cyclic polyolefin resin. The first resin layer is disposed on a surface of the sealing layer, and has a phase-separated structure in which the cyclic polyolefin resin is dispersed in the form of a layer in the second polyolefin resin.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: April 21, 2020
    Assignee: DIC Corporation
    Inventors: Hiroaki Matsubara, Tatsuhiko Usui, Yoshitaka Satoh
  • SEALANT FILM AND LAMINATE FILM
    Publication number: 20170341350
    Abstract: A sealant film used by being laminated on a substrate includes a sealing layer including a first polyolefin resin and an antifogging agent and a first resin layer including 10% to 40% by mass of a cyclic polyolefin resin and 60% to 90% by mass of a second polyolefin resin, wherein the second polyolefin resin is not a cyclic polyolefin resin. The first resin layer is disposed on a surface of the sealing layer, and has a phase-separated structure in which the cyclic polyolefin resin is dispersed in the form of a layer in the second polyolefin resin.
    Type: Application
    Filed: August 11, 2017
    Publication date: November 30, 2017
    Applicant: DIC Corporation
    Inventors: Hiroaki Matsubara, Tatsuhiko Usui, Yoshitaka Satoh