Patents by Inventor Naoto TAKASHINA

Naoto TAKASHINA 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).

  • CATION EXCHANGE MEMBRANE AND METHOD FOR PRODUCING SAME
    Publication number: 20230166219
    Abstract: A cation-exchange membrane using a polyolefin-based substrate with reduced swelling of an ion-exchange resin and a low electrical resistance is provided. The cation-exchange membrane of the present invention includes a substrate made of polyolefin-based woven fabric, and a sulfonic acid group-containing cation-exchange resin. A portion of the cation-exchange membrane other than the substrate has 23 mass % or more to 35 mass % or less of polyvinyl chloride.
    Type: Application
    Filed: March 8, 2021
    Publication date: June 1, 2023
    Applicant: ASTOM CORPORATION
    Inventors: Naoto TAKASHINA, Masayuki KISHINO, Kenji FUKUTA