Patents by Inventor Shuuichi FUKUYAMA

Shuuichi FUKUYAMA 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).

  • Saponified ethylene-vinyl ester copolymer pellet and method for producing saponified ethylene-vinyl ester copolymer pellet
    Patent number: 10450426
    Abstract: The invention provides a saponified ethylene-vinyl ester copolymer pellet which can be inhibited from cracking, chipping and generation of fine powder at the time of transport and is excellent in melt moldability. The saponified ethylene-vinyl ester copolymer pellet of the invention is a pellet which is obtained from a resin composition containing a saponified ethylene-vinyl ester copolymer resin and in which an amount of fine powder after an impact crushing test with ball mill is 400 ppm or less with respect to the saponified ethylene-vinyl ester copolymer pellet.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: October 22, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shuuichi Fukuyama, Atsushi Ono, Kouji Yamada, Shinichi Tanaka, Yoshiharu Nagao, Shinta Miyazumi, Seiichi Honda
  • Method for producing ethylene-vinyl ester copolymer, and saponified ethylene-vinyl ester copolymer product
    Patent number: 10196468
    Abstract: The present invention provides a saponified ethylene-vinyl ester copolymer product from which a film having reduced fish eyes can be obtained and a method for producing an ethylene-vinyl ester copolymer that is a precursor thereof. At the time of producing the ethylene-vinyl ester copolymer, as a vinyl ester monomer, the oxygen concentration at storage and/or transportation is adjusted to from 2 to 8 ppm and the oxygen concentration at polymerization is adjusted to less than 2 ppm.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: February 5, 2019
    Assignee: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Yoshiharu Nagao, Shuuichi Fukuyama, Kouji Yamada, Tomonori Yoshida
  • METHOD FOR PRODUCING ETHYLENE-VINYL ESTER COPOLYMER, AND SAPONIFIED ETHYLENE-VINYL ESTER COPOLYMER PRODUCT
    Publication number: 20170037168
    Abstract: The present invention provides a saponified ethylene-vinyl ester copolymer product from which a film having reduced fish eyes can be obtained and a method for producing an ethylene-vinyl ester copolymer that is a precursor thereof. At the time of producing the ethylene-vinyl ester copolymer, as a vinyl ester monomer, the oxygen concentration at storage and/or transportation is adjusted to from 2 to 8 ppm and the oxygen concentration at polymerization is adjusted to less than 2 ppm.
    Type: Application
    Filed: December 22, 2014
    Publication date: February 9, 2017
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Yoshiharu NAGAO, Shuuichi FUKUYAMA, Kouji YAMADA, Tomonori YOSHIDA
  • SAPONIFIED ETHYLENE-VINYL ESTER COPOLYMER PELLET AND METHOD FOR PRODUCING SAPONIFIED ETHYLENE-VINYL ESTER COPOLYMER PELLET
    Publication number: 20160311984
    Abstract: The invention provides a saponified ethylene-vinyl ester copolymer pellet which can be inhibited from cracking, chipping and generation of fine powder at the time of transport and is excellent in melt moldability. The saponified ethylene-vinyl ester copolymer pellet of the invention is a pellet which is obtained from a resin composition containing a saponified ethylene-vinyl ester copolymer resin and in which an amount of fine powder after an impact crushing test with ball mill is 400 ppm or less with respect to the saponified ethylene-vinyl ester copolymer pellet.
    Type: Application
    Filed: December 22, 2014
    Publication date: October 27, 2016
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Shuuichi FUKUYAMA, Atsushi ONO, Kouji YAMADA, Shinichi TANAKA, Yoshiharu NAGAO, Shinta MIYAZUMI, Seiichi HONDA