Patents by Inventor Tamotsu Yagihashi

Tamotsu Yagihashi 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).

  • Separation module and bundle unit of hollow thread-type porous membrane elements and methods of producing same
    Patent number: 5885454
    Abstract: A separation module to be used for separation and filtration of micro-substances. The separation module comprises a bundled configuration of a plurality of hollow thread-type porous membrane elements made of high polymer material. The bundled configuration is sealingly disposed in a casing, in which the thread-type porous membrane elements are bound each other by means of molten thermoplastic resin.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: March 23, 1999
    Assignee: Tsuchiya Mfg. Co., Ltd.
    Inventors: Tamotsu Yagihashi, Tsutomu Araki, Kazuyoshi Tukamoto
  • Separation module and bundle unit of hollow thread-type porous membrane elements and methods of producing same
    Patent number: 5584997
    Abstract: A separation module to be used for separation and filtration of micro-substances. The separation module comprises a bundled configuration of a plurality of hollow thread-type porous membrane elements made of high polymer material. The bundled configuration is sealingly disposed in a casing, in which the thread-type porous membrane elements are bound each other by means of molten thermoplastic resin.
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: December 17, 1996
    Assignee: Tsuchiya Mfg. Co., Ltd.
    Inventors: Tamotsu Yagihashi, Tsutomu Araki, Kazuyoshi Tukamoto