Patents by Inventor Yasutaka Oka

Yasutaka Oka 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).

  • Resin composition, molded article, laminate, gas barrier material, coating material and adhesive
    Patent number: 11292893
    Abstract: A resin composition is provided that contains a urethane resin and a smectite with partially immobilized lithium.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: April 5, 2022
    Assignees: DIC Corporation, National Institute of Advanced Industrial Science and Technology
    Inventors: Yasutaka Oka, Tomoaki Harada, Kumiko Akiba, Yusho Usami, Michiya Nakashima, Takeo Ebina, Ryo Ishii, Takafumi Aizawa
  • RESIN COMPOSITION, MOLDED ARTICLE, LAMINATE, GAS BARRIER MATERIAL, COATING MATERIAL AND ADHESIVE
    Publication number: 20190382558
    Abstract: A resin composition is provided that contains a urethane resin and a smectite with partially immobilized lithium.
    Type: Application
    Filed: March 14, 2018
    Publication date: December 19, 2019
    Applicants: DIC Corporation, National Institute of Advanced Industrial Science and Technology
    Inventors: Yasutaka Oka, Tomoaki Harada, Kumiko Akiba, Yusho Usami, Michiya Nakashima, Takeo Ebina, Ryo Ishii, Takafumi Aizawa