Patents by Inventor Naotoshi Tomita

Naotoshi Tomita 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: 11660383
    Abstract: An object of the present invention is to provide a material which can remove an activated leukocyte-activated platelet complex with high efficiency. The present invention provides a material for removing an activated leukocyte-activated platelet complex, the material being a water-insoluble carrier to the surface of which carrier a compound(s) having a charged functional group(s) is(are) bound, wherein an extending length ratio of the surface is 4 to 7.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: May 30, 2023
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Naotoshi Tomita, Kaoru Shimada, Hiroshi Takahashi
  • Publication number: 20210086166
    Abstract: An object of the present invention is to provide a material which can remove an activated leukocyte-activated platelet complex with high efficiency. The present invention provides a material for removing an activated leukocyte-activated platelet complex, the material being a water-insoluble carrier to the surface of which carrier a compound(s) having a charged functional group(s) is(are) bound, wherein an extending length ratio of the surface is 4 to 7.
    Type: Application
    Filed: December 7, 2020
    Publication date: March 25, 2021
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Naotoshi TOMITA, Kaoru SHIMADA, Hiroshi TAKAHASHI
  • Patent number: 10888840
    Abstract: An object of the present invention is to provide a material which can remove an activated leukocyte-activated platelet complex with high efficiency. The present invention provides a material for removing an activated leukocyte-activated platelet complex, the material being a water-insoluble carrier to the surface of which carrier a compound(s) having a charged functional group(s) is(are) bound, wherein an extending length ratio of the surface is 4 to 7.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: January 12, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Naotoshi Tomita, Kaoru Shimada, Hiroshi Takahashi
  • Publication number: 20200197594
    Abstract: An object of the present invention is to provide a material which can remove an activated leukocyte-activated platelet complex with high efficiency. The present invention provides a material for removing an activated leukocyte-activated platelet complex, the material being a water-insoluble carrier to the surface of which carrier a compound(s) having a charged functional group(s) is(are) bound, wherein an extending length ratio of the surface is 4 to 7.
    Type: Application
    Filed: June 6, 2018
    Publication date: June 25, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Naotoshi TOMITA, Kaoru SHIMADA, Hiroshi TAKAHASHI
  • Patent number: 10646850
    Abstract: An object of the present invention is to provide a material for blood purification having the capability to remove cytokines and activated leukocyte-activated platelet complexes. The present invention provides a material for blood purification, the material containing a water-insoluble material in which a ligand having an amide group(s) and an amino group(s) is bound to a substrate, wherein the content of the amide group(s) is 3.0 to 7.0 mmol per 1 g dry weight of the water-insoluble material; and wherein the content of the amino group(s) is 1.0 to 7.0 mmol per 1 g dry weight of the water-insoluble material.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: May 12, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shungo Kanda, Hiroshi Takahashi, Naotoshi Tomita
  • Publication number: 20190184371
    Abstract: An object of the present invention is to provide a material for blood purification having the capability to remove cytokines and activated leukocyte-activated platelet complexes. The present invention provides a material for blood purification, the material containing a water-insoluble material in which a ligand having an amide group(s) and an amino group(s) is bound to a substrate, wherein the content of the amide group(s) is 3.0 to 7.0 mmol per 1 g dry weight of the water-insoluble material; and wherein the content of the amino group(s) is 1.0 to 7.0 mmol per 1 g dry weight of the water-insoluble material.
    Type: Application
    Filed: September 8, 2017
    Publication date: June 20, 2019
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Shungo KANDA, Hiroshi TAKAHASHI, Naotoshi TOMITA
  • Patent number: 9982369
    Abstract: A fiber for protein adsorption has a water absorption percentage of 1 to 50%, and the fiber includes a polymer containing as repeat units an aromatic hydrocarbon or a derivative thereof, wherein part of aromatic rings contained in the repeat units are cross-linked through a structure represented by Formula (I). A column for protein adsorption uses the fibers. A in Formula (I) is selected from an alkyl aliphatic group, phenyl aromatic group and amino group.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: May 29, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Junichi Kasuya, Naotoshi Tomita, Yoshiyuki Ueno
  • Patent number: 9937440
    Abstract: An adsorption carrier-packed column includes a central pipe, adsorption carrier, plate A, and plate B, wherein an insertion material C is inserted between the adsorption carrier and the plate A; an insertion material D is inserted between the adsorption carrier and the plate B; the ratio of the deformation rate of the insertion material C (C1) to the deformation rate of the adsorption carrier (E0) is 1<C1/E0<10, and the ratio of the deformation rate of the insertion material D (D1) to the deformation rate of the adsorption carrier (E0) is 1<D1/E0<10; and the ratio of the thickness of the insertion material C (TC) to the distance of a gap between the adsorption carrier and the plate A (LA) is 1.1<TC/LA<4, and the ratio of the thickness of the insertion material D (TD) to the distance of a gap between the adsorption carrier and the plate B (LB) is 1.1<TD/LB<4.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: April 10, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Naotoshi Tomita, Kaoru Shimada, Yoshiyuki Ueno
  • Patent number: 9867927
    Abstract: A carrier for blood component adsorption enables selective and efficient adsorption removal of granulocytes and monocytes and, at the same time, enables adsorption removal of inflammatory cytokines. The carrier for blood component adsorption includes a water-insoluble carrier having a surface to which a functional group(s) containing a silyl group and an amino group is/are introduced.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: January 16, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Naotoshi Tomita, Yoshiyuki Ueno, Kazuhiro Tanahashi
  • Patent number: 9802178
    Abstract: A carrier for blood component adsorption includes a water-insoluble carrier composed of a fiber or particle, the water-insoluble carrier having a surface to which a functional group(s) is/are introduced, the functional group(s) containing an acidic functional group selected from the group consisting of the sulfate group, sulfite group and sulfonate group; and containing an amino group; the fiber having a fiber diameter of, or the particle having a particle diameter of, 0.5 to 20 ?m.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: October 31, 2017
    Assignee: Toray Industries, Inc.
    Inventors: Naotoshi Tomita, Yoshiyuki Ueno, Kazuhiro Tanahashi
  • Publication number: 20170253999
    Abstract: A fiber for protein adsorption has a water absorption percentage of 1 to 50%, and the fiber includes a polymer containing as repeat units an aromatic hydrocarbon or a derivative thereof, wherein part of aromatic rings contained in the repeat units are cross-linked through a structure represented by Formula (I). A column for protein adsorption uses the fibers. A in Formula (I) is selected from an alkyl aliphatic group, phenyl aromatic group and amino group.
    Type: Application
    Filed: September 16, 2015
    Publication date: September 7, 2017
    Applicant: Toray Industries, Inc.
    Inventors: Junichi Kasuya, Naotoshi Tomita, Yoshiyuki Ueno
  • Publication number: 20160107100
    Abstract: An adsorption carrier-packed column includes a central pipe, adsorption carrier, plate A, and plate B, wherein an insertion material C is inserted between the adsorption carrier and the plate A; an insertion material D is inserted between the adsorption carrier and the plate B; the ratio of the deformation rate of the insertion material C (C1) to the deformation rate of the adsorption carrier (E0) is 1<C1/E0<10, and the ratio of the deformation rate of the insertion material D (D1) to the deformation rate of the adsorption carrier (E0) is 1<D1/E0<10; and the ratio of the thickness of the insertion material C (TC) to the distance of a gap between the adsorption carrier and the plate A (LA) is 1.1<TC/LA<4, and the ratio of the thickness of the insertion material D (TD) to the distance of a gap between the adsorption carrier and the plate B (LB) is 1.1<TD/LB<4.
    Type: Application
    Filed: May 30, 2014
    Publication date: April 21, 2016
    Inventors: Naotoshi Tomita, Kaoru Shimada, Yoshiyuki Ueno
  • Patent number: 9023947
    Abstract: An adsorptive carrier includes one or more high-molecular-weight compounds each of which includes two or more aromatic ring-containing repeating units, the aromatic rings being covalently bound to each other via a structure represented by Formula (I): wherein R1 represents hydrogen or an organic group, and R2 represents an organic group.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: May 5, 2015
    Assignee: Toray Industries, Inc.
    Inventors: Naotoshi Tomita, Yoshiyuki Ueno
  • Publication number: 20140206818
    Abstract: An adsorptive carrier includes one or more high-molecular-weight compounds each of which includes two or more aromatic ring-containing repeating units, the aromatic rings being covalently bound to each other via a structure represented by Formula (I): wherein R1 represents hydrogen or an organic group, and R2 represents an organic group.
    Type: Application
    Filed: August 8, 2012
    Publication date: July 24, 2014
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Naotoshi Tomita, Yoshiyuki Ueno
  • Publication number: 20130327698
    Abstract: A carrier for blood component adsorption enables selective and efficient adsorption removal of granulocytes and monocytes and, at the same time, enables adsorption removal of inflammatory cytokines. The carrier for blood component adsorption includes a water-insoluble carrier having a surface to which a functional group(s) containing a silyl group and an amino group is/are introduced.
    Type: Application
    Filed: February 24, 2012
    Publication date: December 12, 2013
    Applicant: Toray Industries, Inc.
    Inventors: Naotoshi Tomita, Yoshiyuki Ueno, Kazuhiro Tanahashi
  • Publication number: 20130220912
    Abstract: A carrier for blood component adsorption includes a water-insoluble carrier composed of a fiber or particle, the water-insoluble carrier having a surface to which a functional group(s) is/are introduced, the functional group(s) containing an acidic functional group selected from the group consisting of the sulfate group, sulfite group and sulfonate group; and containing an amino group; the fiber having a fiber diameter of, or the particle having a particle diameter of, 0.5 to 20 ?m.
    Type: Application
    Filed: October 26, 2011
    Publication date: August 29, 2013
    Applicant: Toray Industries, Inc.
    Inventors: Naotoshi Tomita, Yoshiyuki Ueno, Kazuhiro Tanahashi