Patents by Inventor Akira Hoshide

Akira Hoshide 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
    Patent number: 5922201
    Abstract: A hollow fiber membrane module comprising (a) hollow fibers, (b) a fastening member for fixing the ends of the hollow fibers while leaving them open, and (c) a structural member for enclosing and supporting the fastening member, the hollow fiber membrane module being useful in the filtration of water by suction from the surface to the inside of the hollow fibers with intermittent or continuous cleaning of the membrane surfaces of the hollow fibers, characterized in that the hollow fibers comprise a textile fabric containing hollow fibers as the weft and the cross-section of the fastening member perpendicular to the hollow fibers is shaped like an elongated rectangle. In this module, the hollow fibers rarely cohere together into a mass, and the membrane surfaces of the hollow fibers can be efficiently cleaned concurrently with the filtration, so that the loss of the filtering function is minimized.
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: July 13, 1999
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Hisayoshi Yamamori, Akira Hoshide, Masumi Kobayashi
  • Hollow fiber membrane module
    Patent number: 5480553
    Abstract: A hollow fiber membrane module comprising (a) hollow fibers, (b) a fastening member for fixing the ends of the hollow fibers while leaving them open, and (c) a structural member for enclosing and supporting the fastening member, the hollow fiber membrane module being useful in the filtration of water by suction from the surface to the inside of the hollow fibers with intermittent or continuous cleaning of the membrane surfaces of the hollow fibers, characterized in that the hollow fibers comprise a textile fabric containing hollow fibers as the weft and the cross-section of the fastening member perpendicular to the hollow fibers is shaped like an elongated rectangle. In this module, the hollow fibers rarely cohere together into a mass, and the membrane surfaces of the hollow fibers can be efficiently cleaned concurrently with the filtration, so that the loss of the filtering function is minimized.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: January 2, 1996
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Hisayoshi Yamamori, Akira Hoshide, Masumi Kobayashi
  • Micro filter for water or gas
    Patent number: D323873
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: February 11, 1992
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Manabu Yanou, Akira Hoshide