Patents by Inventor Shigenori KASAI

Shigenori KASAI 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).

  • Hollow fiber membrane module and filtering method
    Patent number: 11364469
    Abstract: Provided is a hollow fiber membrane module comprising: a hollow fiber membrane bundle; a housing; a first adhesively-fixed portion and a second adhesively-fixed portion configured to adhesively fix, at both ends of each of the hollow fiber membranes, with a potting material: the hollow fiber membranes to each other, and the hollow fiber membrane bundle to an inner wall of the housing; and a regulating member 40 configured to regulate arrangement of the hollow fiber membranes, wherein: on an end face outer than the housing of at least one of the first adhesively-fixed portion or the second adhesively-fixed portion, when a range of a circle having a center at a center of the end face and a radius equal to ½ of a radius of the end face is defined as a central portion, and a range other than the central portion is defined as a circumferential portion, a ratio of an area ratio of the regulating member 40 and the potting material to an entire area of the central portion to an area ratio of the regulating member 40
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: June 21, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shigenori Kasai, Daisuke Okamura
  • HOLLOW FIBER MEMBRANE MODULE AND FILTERING METHOD
    Publication number: 20200171438
    Abstract: Provided is a hollow fiber membrane module comprising: a hollow fiber membrane bundle; a housing; a first adhesively-fixed portion and a second adhesively-fixed portion configured to adhesively fix, at both ends of each of the hollow fiber membranes, with a potting material: the hollow fiber membranes to each other, and the hollow fiber membrane bundle to an inner wall of the housing; and a regulating member 40 configured to regulate arrangement of the hollow fiber membranes, wherein: on an end face outer than the housing of at least one of the first adhesively-fixed portion or the second adhesively-fixed portion, when a range of a circle having a center at a center of the end face and a radius equal to ½ of a radius of the end face is defined as a central portion, and a range other than the central portion is defined as a circumferential portion, a ratio of an area ratio of the regulating member 40 and the potting material to an entire area of the central portion to an area ratio of the regulating member 40
    Type: Application
    Filed: June 20, 2018
    Publication date: June 4, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shigenori KASAI, Daisuke OKAMURA