Patents by Inventor Eisaku YOKOYA

Eisaku YOKOYA 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).

  • Group of pellets of ethylene-vinyl alcohol copolymer resin composition
    Patent number: 10858498
    Abstract: An ethylene-vinyl alcohol copolymer resin composition pellet group is provided, which is excellent in long-run processability. The ethylene-vinyl alcohol copolymer resin composition pellet group is a group of pellets of an ethylene-vinyl alcohol copolymer resin composition containing an ethylene-vinyl alcohol copolymer and a divalent metal salt, wherein not greater than 3% of the pellets have a b*-value of not less than 5 after the pellets are heat-treated at 230° C. for 30 minutes.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: December 8, 2020
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Ayano Nakashima, Takamichi Tanabe, Nobuaki Sato, Eisaku Yokoya, Seiichi Honda, Kaoru Inoue
  • GROUP OF PELLETS OF ETHYLENE-VINYL ALCOHOL COPOLYMER RESIN COMPOSITION
    Publication number: 20180355146
    Abstract: An ethylene-vinyl alcohol copolymer resin composition pellet group is provided, which is excellent in long-run processability. The ethylene-vinyl alcohol copolymer resin composition pellet group is a group of pellets of an ethylene-vinyl alcohol copolymer resin composition containing an ethylene-vinyl alcohol copolymer and a divalent metal salt, wherein not greater than 3% of the pellets have a b*-value of not less than 5 after the pellets are heat-treated at 230° C. for 30 minutes.
    Type: Application
    Filed: December 21, 2016
    Publication date: December 13, 2018
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Ayano NAKASHIMA, Takamichi TANABE, Nobuaki SATO, Eisaku YOKOYA, Seiichi HONDA, Kaoru INOUE