Patents by Inventor Naoya Okumura

Naoya Okumura 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).

  • Method for producing resin foam, and resin foam
    Patent number: 9499675
    Abstract: A method for producing resin foam including: melting a resin composition including a polyolefin resin and a thermoplastic elastomer; impregnating the molten resin composition with a material that is a gas at normal temperature and normal pressure, in a supercritical state, under a condition in which the supercritical state of the material is maintained; foaming the resin composition impregnated with the material by arranging the resin composition under a condition in which the supercritical state of the material is not maintained; and hot-pressing the foamed resin composition.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: November 22, 2016
    Assignee: INOAC CORPORATION
    Inventors: Naoya Okumura, Yasuhiro Usami, Shigeyasu Shimura
  • METHOD FOR PRODUCING RESIN FOAM, AND RESIN FOAM
    Publication number: 20150045464
    Abstract: A method for producing resin foam including: melting a resin composition including a polyolefin resin and a thermoplastic elastomer; impregnating the molten resin composition with a material that is a gas at normal temperature and normal pressure, in a supercritical state, under a condition in which the supercritical state of the material is maintained; foaming the resin composition impregnated with the material by arranging the resin composition under a condition in which the supercritical state of the material is not maintained; and hot-pressing the foamed resin composition.
    Type: Application
    Filed: October 24, 2014
    Publication date: February 12, 2015
    Applicant: INOAC CORPORATION
    Inventors: Naoya Okumura, Yasuhiro Usami, Shigeyasu Shimura