Patents by Inventor Ken TAGUWA

Ken TAGUWA 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).

  • Patent number: 11951720
    Abstract: Provided is a thermoplastic resin laminate suitable for optical applications of transparent substrate materials and protective materials. The thermoplastic resin laminate includes a first layer including an amorphous polyester resin (A) as the main component, and a second layer including a (meth)acrylic resin (B) as the main component on the first layer.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: April 9, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Ken Taguwa, Nobuyuki Koike
  • Publication number: 20220204754
    Abstract: The present application relates to a polyester resin composition that includes a polyester resin having a predetermined composition and a polycarbodiimide in a predetermined amount that exhibits heat resistance, transparency and impact resistance and prevents embrittlement after heat treatment. The present application also relates to a polyester-based injection-molded article, a polyester-based extruded article, a polyester-based foam, a polyester-based container, a polyester-based bottle, a polyester-based tableware, and a polyester-based nursing bottle.
    Type: Application
    Filed: April 22, 2020
    Publication date: June 30, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Kentaro ISHII, Ken TAGUWA, Masayuki NAGAI
  • Publication number: 20210387445
    Abstract: Provided is a thermoplastic resin laminate suitable for optical applications of transparent substrate materials and protective materials. The thermoplastic resin laminate includes a first layer including an amorphous polyester resin (A) as the main component, and a second layer including a (meth)acrylic resin (B) as the main component on the first layer.
    Type: Application
    Filed: October 21, 2019
    Publication date: December 16, 2021
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Ken TAGUWA, Nobuyuki KOIKE
  • Publication number: 20200384746
    Abstract: The present invention is able to provide a stretched multilayer thermoplastic resin film which comprises layers containing a thermoplastic resin (B) on both surfaces of a layer that contains a thermoplastic resin (A) and elastic particles, and wherein: respective intrinsic birefringences of the thermoplastic resin (A) and the thermoplastic resin (B) are within the range of from ?0.005 to 0.005; the content ratio of the elastic particles in the whole layer containing the thermoplastic resin (A) and the elastic particles is 5-40% by weight; the glass transition temperature of the thermoplastic resin (B) is 110° C. or higher and the saturation water absorption of the thermoplastic resin (B) is less than 1.1 wt %.
    Type: Application
    Filed: March 8, 2018
    Publication date: December 10, 2020
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Ken TAGUWA, Noriaki OCHI, Tatsuki NYUUI, Hirotaka TSURUYA
  • Publication number: 20190339420
    Abstract: This invention can provide a stretched multilayer thermoplastic resin film comprising a layer including a thermoplastic resin (B) layered on at least one surface of a layer including a methacrylate resin (A), said stretched multilayer thermoplastic resin film being characterized in that: methyl methacrylate constitutes at least 90 mol % of all constituent units in the methacrylate resin (A); the intrinsic birefringence of the thermoplastic resin (B) is from ?0.005 to 0.005; and the glass transition temperature TgA (° C.) of the methacrylate resin (A) and the glass transition temperature TgB (° C.) of the thermoplastic resin (B) satisfy the expression 5° C.<(TgB?TgA)<50° C.
    Type: Application
    Filed: February 2, 2017
    Publication date: November 7, 2019
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Ken TAGUWA, Nobuyuki KOIKE
  • Publication number: 20190039359
    Abstract: This invention can provide a stretched multilayer thermoplastic resin film comprising a layer including a thermoplastic resin (B) on at least one surface of a layer including a thermoplastic resin (A), the stretched multilayer thermoplastic resin film being characterized in that: the intrinsic birefringence of each of the thermoplastic resin (A) and the thermoplastic resin (B) is within a range from ?0.005 to 0.005; the glass transition temperature of the thermoplastic resin (B) is 110° C. or higher; and the saturated water absorption rate of the thermoplastic resin (B) is less than 1.1 wt %.
    Type: Application
    Filed: February 2, 2017
    Publication date: February 7, 2019
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Ken TAGUWA, Nobuyuki KOIKE