Patents by Inventor Shun SHIMURA

Shun SHIMURA 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).

  • Publication number: 20210316253
    Abstract: The present invention relates to a hollow-fiber membrane module including: a hollow-fiber membrane bundle including a plurality of hollow-fiber membranes bundled in a potting part; a housing enclosing the hollow-fiber membrane bundle; and a protective member contacting with an outer surface of the potting part and continuously covering the outer surface, in which the protective member has a notched part through which one end of the protective member communicates with another end in a longitudinal direction of the hollow-fiber membrane bundle.
    Type: Application
    Filed: July 26, 2019
    Publication date: October 14, 2021
    Applicant: Toray Industries, Inc.
    Inventors: Masato Yanagibashi, Atsushi Kobayashi, Shun Shimura
  • Patent number: 11141698
    Abstract: The present invention provides a hollow fiber membrane module that can effectively resolve the accumulation of suspended solids within the membrane module, lower running costs, and also operate stably. The present invention relates to a hollow fiber membrane molecule provided with: a cylindrical case having a first end and a second end in the direction of height; a plurality of hollow fiber membranes accommodated within the cylindrical case; and a first potting part accommodated within the cylindrical case and attaching the plurality of hollow fiber membranes together such that the end parts of the plurality of hollow membrane fibers at a first end side of the cylindrical case are open. The hollow fiber membranes are porous hollow fiber membranes having a breaking strength of 23 MPa, and the hollow membrane module has a membrane area per unit volume of 800-3700 m2/m3. The filling fraction for the hollow fiber membranes in a cross-section orthogonal to the direction of height of the cylindrical case is 25-38%.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: October 12, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shun Shimura, Kenta Iwai, Masayuki Hanakawa, Tamotsu Kitade, Masahiro Kimura, Atsushi Kobayashi, Aya Nishio
  • Patent number: 11020709
    Abstract: The present invention relates to a composite porous hollow-fiber membrane including a first layer and a second layer which each include a fluororesin-based polymer, in which the first layer has a columnar texture oriented in a longitudinal direction of the composite porous hollow-fiber membrane, the columnar texture has an average value v of a Raman orientation parameter calculated with the specific formula, and the second layer has a three-dimensional network texture and has an average surface-pore diameter of 5.0 nm to 5.0 ?m.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: June 1, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shun Shimura, Kenta Iwai, Masayuki Hanakawa, Tamotsu Kitade, Masahiro Kimura
  • Patent number: 10766007
    Abstract: The present invention provides a hollow fiber membrane module that can effectively resolve the accumulation of suspended solids within the membrane module, lower running costs, and also operate stably. The present invention relates to a hollow fiber membrane molecule provided with: a cylindrical case having a first end and a second end in the direction of height; a plurality of hollow fiber membranes accommodated within the cylindrical case; and a first potting part accommodated within the cylindrical case and attaching the plurality of hollow fiber membranes together such that the end parts of the plurality of hollow membrane fibers at a first end side of the cylindrical case are open. The hollow fiber membranes are porous hollow fiber membranes having a breaking strength of 23 MPa, and the hollow membrane module has a membrane area per unit volume of 800-3700 m2/m3. The filling fraction for the hollow fiber membranes in a cross-section orthogonal to the direction of height of the cylindrical case is 25-38%.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: September 8, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shun Shimura, Kenta Iwai, Masayuki Hanakawa, Tamotsu Kitade, Masahiro Kimura, Atsushi Kobayashi, Aya Nishio
  • Publication number: 20190330085
    Abstract: The present invention relates to a composite porous hollow-fiber membrane including a first layer and a second layer which each include a fluororesin-based polymer, in which at least a part of molecular chains of the fluororesin-based polymer is oriented in a longitudinal direction of the composite porous hollow-fiber membrane, the molecular chains of the fluororesin-based polymer have a degree of orientation it in the longitudinal direction of the composite porous hollow-fiber membrane of 0.4 or higher but less than 1.0, the degree of orientation it being calculated with the specific formula.
    Type: Application
    Filed: June 23, 2017
    Publication date: October 31, 2019
    Applicant: Toray Industries, Inc.
    Inventors: Shun SHIMURA, Masayuki HANAKAWA, Kenta IWAI, Tamotsu KITADE, Masahiro KIMURA
  • Publication number: 20190262774
    Abstract: A housing (30) of a hollow-fiber membrane module (101) is so configured as to have a small-diameter part (3B) having an inner diameter smaller than an inner diameter of a flow regulation cylinder (9) facing a part of the housing (30) on which a nozzle (8) is provided, and which is arranged on a lower side than a lower end of the flow regulation cylinder (9) in an axial direction of the hollow-fiber membrane module (101); or the flow regulation cylinder (9) is so configured as to have a small-diameter part (9G) which has an inner diameter smaller than the inner diameter of the flow regulation cylinder (9) facing the part of the housing (30) on which the nozzle (8) is provided, and which is arranged on a lower side than the existing region of the flow regulation holes (10) in the axial direction of the hollow-fiber membrane module (101).
    Type: Application
    Filed: May 9, 2019
    Publication date: August 29, 2019
    Applicant: Toray Industries, Inc.
    Inventors: Hiroshi Matsumoto, Mikiko Ikeda, Atsushi Kobayashi, Shun Shimura, Norihiro Takeuchi, Hiroaki Kanai
  • Patent number: 10350549
    Abstract: A hollow-fiber membrane module of the invention includes: a cylindrical case having a first end and a second end in a height direction thereof; a hollow-fiber membrane bundle being housed in the cylindrical case and having a plurality of hollow-fiber membranes each closed at an end part on the first end side and opened at an end part on the second end side; a first binding part binding the end parts on the first end side of the hollow-fiber membranes; a first flow channel guiding fluid to pass through the first binding part from the first end side to the second end side of the first binding part; and a channel material directing, at a terminal on the second end side of the first flow channel, a flow of at least a part of the fluid flowing out from the terminal on the second end side of the first flow channel toward a direction intersecting the height direction of the cylindrical case.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: July 16, 2019
    Assignee: Toray Industries, Inc.
    Inventors: Shun Shimura, Atsushi Kobayashi, Norihiro Takeuchi, Yoshiki Okamoto
  • Publication number: 20190168167
    Abstract: The present invention relates to a composite porous hollow-fiber membrane including a first layer and a second layer which each include a fluororesin-based polymer, in which the first layer has a columnar texture oriented in a longitudinal direction of the composite porous hollow-fiber membrane, the columnar texture has an average value v of a Raman orientation parameter calculated with the specific formula, and the second layer has a three-dimensional network texture and has an average surface-pore diameter of 5.0 nm to 5.0 ?m.
    Type: Application
    Filed: June 23, 2017
    Publication date: June 6, 2019
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Shun SHIMURA, Kenta IWAI, Masayuki HANAKAWA, Tamotsu KITADE, Masahiro KIMURA
  • Publication number: 20190118145
    Abstract: The present invention relates to a method for filtering a microbial culture solution using a membrane module, said method comprising four stages including (a) cross-flow filtration of the microbial culture solution, (b) rinsing with water, (c) washing with a chemical solution and (d) rinsing with water, wherein: the filtrate passing through the membrane module in the cross-flow filtration has a total sugar concentration of 1,000-100,000 mg/1 inclusive and a protein concentration of 50-1,000 mg/l inclusive; the aforesaid stage (c) comprises step (c-1) for washing with a chemical solution containing a hypochlorite and a nonionic surfactant; and the aforesaid stages (a) to (d) are repeated in this order.
    Type: Application
    Filed: March 30, 2017
    Publication date: April 25, 2019
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Fumi SHIMURA, Shun SHIMURA, Atsushi KOBAYASHI, Aya NISHIO, Satoko KANAMORI
  • Patent number: 10207226
    Abstract: A cartridge type hollow fiber membrane module including a housing, a hollow-fiber membrane bundle having a plurality of hollow fiber membranes, a first potting part that bonds the hollow fiber membranes at at least one end of the bundle of the plurality of hollow fiber membranes such that the hollow fiber membranes are open, and a sealing material that fixes the first potting part to the housing liquid-tightly, wherein the first potting part comprises an inner potting part and an outer potting part, wherein the inner potting part and the outer potting part are both formed of a potting material, wherein the sealing material is in contact with the outer potting part, and wherein both the inner potting part and the outer potting part are formed in a sealing direction of the sealing material. The cartridge type hollow fiber membrane module is free of leakage and contamination due to separation of a potting material even when steam sterilization is performed.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: February 19, 2019
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Atsushi Kobayashi, Shun Shimura, Mikiko Ikeda, Norihiro Takeuchi, Shinya Takeuchi
  • Publication number: 20190015786
    Abstract: The present invention provides a hollow fiber membrane module that can effectively resolve the accumulation of suspended solids within the membrane module, lower running costs, and also operate stably. The present invention relates to a hollow fiber membrane molecule provided with: a cylindrical case having a first end and a second end in the direction of height; a plurality of hollow fiber membranes accommodated within the cylindrical case; and a first potting part accommodated within the cylindrical case and attaching the plurality of hollow fiber membranes together such that the end parts of the plurality of hollow membrane fibers at a first end side of the cylindrical case are open. The hollow fiber membranes are porous hollow fiber membranes having a breaking strength of 23 MPa, and the hollow membrane module has a membrane area per unit volume of 800-3700 m2/m3. The filling fraction for the hollow fiber membranes in a cross-section orthogonal to the direction of height of the cylindrical case is 25-38%.
    Type: Application
    Filed: December 26, 2016
    Publication date: January 17, 2019
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Shun SHIMURA, Kenta IWAI, Masayuki HANAKAWA, Tamotsu KITADE, Masahiro KIMURA, Atsushi KOBAYASHI, Aya NISHIO
  • Patent number: 9895664
    Abstract: A cartridge type hollow-fiber membrane module of the present invention includes: a housing; a plurality of hollow fiber membranes housed in the housing; a first potting part which bundles first ends of the hollow fiber membranes while keeping the first ends open; a second potting part which bundles second ends of the hollow fiber membranes while keeping the second ends sealed; a fixing part which detachably fixes the first potting part to the housing; a sealing part which liquid-tightly seals a space between the first potting part and the housing; and a holding part which holds the second potting part so that the second potting part is detachable from the housing and so that liquids can pass through a space between the second potting part and the housing.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: February 20, 2018
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Atsushi Kobayashi, Hayato Inuzuka, Shun Shimura, Norihiro Takeuchi
  • Publication number: 20170291145
    Abstract: A hollow-fiber membrane module of the invention includes: a cylindrical case having a first end and a second end in a height direction thereof; a hollow-fiber membrane bundle being housed in the cylindrical case and having a plurality of hollow-fiber membranes each closed at an end part on the first end side and opened at an end part on the second end side; a first binding part binding the end parts on the first end side of the hollow-fiber membranes; a first flow channel guiding fluid to pass through the first binding part from the first end side to the second end side of the first binding part; and a channel material directing, at a terminal on the second end side of the first flow channel, a flow of at least a part of the fluid flowing out from the terminal on the second end side of the first flow channel toward a direction intersecting the height direction of the cylindrical case.
    Type: Application
    Filed: September 1, 2015
    Publication date: October 12, 2017
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Shun Shimura, Atsushi Kobayashi, Norihiro Takeuchi, Yoshiki Okamoto
  • Publication number: 20160317972
    Abstract: A housing (30) of a hollow-fiber membrane module (101) is so configured as to have a small-diameter part (3B) having an inner diameter smaller than an inner diameter of a flow regulation cylinder (9) facing a part of the housing (30) on which a nozzle (8) is provided, and which is arranged on a lower side than a lower end of the flow regulation cylinder (9) in an axial direction of the hollow-fiber membrane module (101); or the flow regulation cylinder (9) is so configured as to have a small-diameter part (9G) which has an inner diameter smaller than the inner diameter of the flow regulation cylinder (9) facing the part of the housing (30) on which the nozzle (8) is provided, and which is arranged on a lower side than the existing region of the flow regulation holes (10) in the axial direction of the hollow-fiber membrane module (101).
    Type: Application
    Filed: October 24, 2014
    Publication date: November 3, 2016
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hiroshi Matsumoto, Mikiko Ikeda, Atsushi Kobayashi, shun Shimura, Norihiro Takeuchi, Hiroaki Kanai
  • Publication number: 20160193570
    Abstract: A cartridge type hollow fiber membrane module including a housing, a hollow-fiber membrane bundle having a plurality of hollow fiber membranes, a first potting part that bonds the hollow fiber membranes at at least one end of the bundle of the plurality of hollow fiber membranes such that the hollow fiber membranes are open, and a sealing material that fixes the first potting part to the housing liquid-tightly, wherein the first potting part comprises an inner potting part and an outer potting part, wherein the inner potting part and the outer potting part are both formed of a potting material, wherein the sealing material is in contact with the outer potting part, and wherein both the inner potting part and the outer potting part are formed in a sealing direction of the sealing material. The cartridge type hollow fiber membrane module is free of leakage and contamination due to separation of a potting material even when steam sterilization is performed.
    Type: Application
    Filed: September 26, 2014
    Publication date: July 7, 2016
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Atsushi KOBAYASHI, Shun SHIMURA, Mikiko IKEDA, Norihiro TAKEUCHI, Shinya TAKEUCHI
  • Publication number: 20160107125
    Abstract: A cartridge type hollow-fiber membrane module of the present invention includes: a housing; a plurality of hollow fiber membranes housed in the housing; a first potting part which bundles first ends of the hollow fiber membranes while keeping the first ends open; a second potting part which bundles second ends of the hollow fiber membranes while keeping the second ends sealed; a fixing part which detachably fixes the first potting part to the housing; a sealing part which liquid-tightly seals a space between the first potting part and the housing; and a holding part which holds the second potting part so that the second potting part is detachable from the housing and so that liquids can pass through a space between the second potting part and the housing.
    Type: Application
    Filed: April 24, 2014
    Publication date: April 21, 2016
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Atsushi KOBAYASHI, Hayato INUZUKA, Shun SHIMURA, Norihiro TAKEUCHI