Patents by Inventor Shigeaki Fujieda

Shigeaki Fujieda 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).

  • Patent number: 10821378
    Abstract: A hollow fiber degassing module includes: a cylinder; a first lid having a liquid supply port; a second lid; a liquid inflow portion that includes a cylindrical main body being in communication with the liquid supply port inside the cylinder; a hollow fiber membrane bundle that is provided inside the cylinder and that includes multiple hollow fiber membranes; a liquid outlet; a first air outlet that is provided to any one of the first lid and the second lid and connected to the inside of the hollow fiber membranes; and a bubble outlet that is provided to the cylinder.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: November 3, 2020
    Assignee: DIC CORPORATION
    Inventors: Shigeaki Fujieda, Kazumi Oi, Youhei Suganuma
  • Patent number: 10780373
    Abstract: A hollow fiber degassing module includes: a cylinder; a first lid having a liquid supply port; a second lid; a liquid inflow portion that includes a cylindrical main body being in communication with the liquid supply port inside the cylinder; a hollow fiber membrane bundle that is provided inside the cylinder and that includes multiple hollow fiber membranes; a liquid outlet; a first air outlet that is provided to any one of the first lid and the second lid and connected to the inside of the hollow fiber membranes; and a bubble outlet that is provided to the cylinder.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 22, 2020
    Assignee: DIC CORPORATION
    Inventors: Shigeaki Fujieda, Kazumi Oi, Youhei Suganuma
  • Publication number: 20190255464
    Abstract: A hollow fiber degassing module includes: a cylinder; a first lid having a liquid supply port; a second lid; a liquid inflow portion that includes a cylindrical main body being in communication with the liquid supply port inside the cylinder; a hollow fiber membrane bundle that is provided inside the cylinder and that includes multiple hollow fiber membranes; a liquid outlet; a first air outlet that is provided to any one of the first lid and the second lid and connected to the inside of the hollow fiber membranes; and a bubble outlet that is provided to the cylinder.
    Type: Application
    Filed: June 28, 2017
    Publication date: August 22, 2019
    Inventors: Shigeaki FUJIEDA, Kazumi OI, Youhei SUGANUMA
  • Patent number: 8449706
    Abstract: A process for manufacturing a deaerating hollow fiber module with no core, including the steps of wrapping a sheet containing a multiplicity of hollow fibers around a temporary core; retaining in tubular form the sheet wrapped around the temporary core; and removing the temporary core from the sheet retained in tubular form.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: May 28, 2013
    Assignee: DIC Corporation
    Inventors: Youhei Suganuma, Misao Takeuchi, Shigeaki Fujieda, Toshikazu Suganuma, Kouji Kawase
  • Publication number: 20110146891
    Abstract: A process for manufacturing a deaerating hollow fiber module with no core, including the steps of wrapping a sheet containing a multiplicity of hollow fibers around a temporary core; retaining in tubular form the sheet wrapped around the temporary core; and removing the temporary core from the sheet retained in tubular form.
    Type: Application
    Filed: May 30, 2008
    Publication date: June 23, 2011
    Applicant: DIC Corporation
    Inventors: Youhei Suganuma, Misao Takeuchi, Shigeaki Fujieda, Toshikazu Suganuma, Kouji Kawase