Patents by Inventor Yoshito MIZUMOTO

Yoshito MIZUMOTO 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).

  • COMPOSITE HOLLOW FIBER MEMBRANE AND COMPOSITE HOLLOW FIBER MEMBRANE MANUFACTURING METHOD
    Publication number: 20220088542
    Abstract: A composite hollow fiber membrane according to one aspect of the present invention is provided with a semipermeable membrane layer, a support layer that has a hollow fiber shape and is porous, and an intermediate layer interposed between the semipermeable membrane layer and the support layer. The semipermeable membrane layer contains a crosslinked polyamide formed of a polyfunctional amine compound and a polyfunctional acid halide compound. The intermediate layer includes a layer portion made of the same material as the support layer, and the crosslinked polyamide impregnating the layer portion.
    Type: Application
    Filed: February 17, 2020
    Publication date: March 24, 2022
    Applicant: Kuraray Co., Ltd.
    Inventors: Kota MIHARA, Youhei YABUNO, Yoshito MIZUMOTO, Kensaku KOMATSU