Patents by Inventor Kohei MIYAMAE

Kohei MIYAMAE 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).

  • POROUS MEMBRANE OF POLYTETRAFLUOROETHYLENE AND/OR MODIFIED POLYTETRAFLUOROETHYLENE HAVING HIGH STRENGTH AND SMALL PORE DIAMETER
    Publication number: 20230211296
    Abstract: Provided is a porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylene having a small pore diameter, thin film thickness, high porosity, and high strength; and a method for manufacturing the same. The porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylenehas bubble point of isopropyl alcohol according to JIS K3832 of 600 kPa or more, and tensile strength according to JIS K6251 of 90 MPa or more.
    Type: Application
    Filed: May 5, 2021
    Publication date: July 6, 2023
    Applicant: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
    Inventors: KOHEI MIYAMAE, SHUNICHI SHIMATANI, KAZUO KONABE
  • A PTFE POROUS MEMBRANE WITH A HIGH STRENGTH AND SMALL PORE SIZE
    Publication number: 20220355525
    Abstract: The problem of the present invention is to provide a novel polytetrafluoroethylene porous film having a small pore diameter, small film thickness, high porosity, and high strength, and a production method thereof. The present invention provides a polytetrafluoroethylene porous film, wherein a bubble point in isopropyl alcohol (IPA) according to JIS K3832 is not less than 400 kPa, and a tensile strength based on JIS K6251 is not less than 50 MPa.
    Type: Application
    Filed: September 24, 2020
    Publication date: November 10, 2022
    Applicant: CHEMOURS-MITSUI FLUOROPRODUCTS CO. LTD.
    Inventors: KOHEI MIYAMAE, SHUNICHI SHIMATANI, KAZUO KONABE
  • TFE/PAVE-COPOLYMER FOR SHAPE MEMORY MOLDED ARTICLE AND SHAPE MEMORY MOLDED ARTICLE
    Publication number: 20200299434
    Abstract: Provided is a material for a shape memory molded article and a shape memory molded article that exhibits superior shape memory capabilities, the material being a heat-fusible perfluoro resin having a glass transition temperature in the range of 10 to 60° C., and wherein the shape memory molded article exhibits shape memory capabilities in the temperature range of 30 to 100° C.
    Type: Application
    Filed: November 26, 2018
    Publication date: September 24, 2020
    Applicant: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD
    Inventors: Kohei MIYAMAE, Masaki MUGISAWA