Patents by Inventor Mana Kawachi

Mana Kawachi 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).

  • Polyolefin Microporous Membrane
    Publication number: 20220389203
    Abstract: Provided is a polyolefin microporous membrane in which the membrane thickness is 1.0-17.0 ?m inclusive, the flexural modulus, which is the value of the flexural rigidity (gf×cm2/cm) in the longitudinal direction (MD) divided by the cube of the membrane thickness (?m), is 0.3 (?gf×cm2/cm)/?m3 to 1.5 (?gf×cm2/cm)/?m3 inclusive, and the basis weight-converted puncture strength is 70 gf/(g/m2) to 160 gf/(g/m2) inclusive.
    Type: Application
    Filed: October 8, 2020
    Publication date: December 8, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Mana Kawachi, Hiroshi Miyazawa, Manabu Sekiguchi, Shinya Hisamitsu, Yoshiki Oda