Patents by Inventor Kohei Kanto

Kohei Kanto 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: 10854357
    Abstract: Provided is a coating material for forming a conductive release layer capable of forming a conductive release layer having high adhesion to a film base material, suppressing deterioration in conductivity over time in the air, and having a sufficient releasing property. The coating material for forming a conductive release layer of the present invention contains a conductive composite including a ?-conjugated conductive polymer and a polyanion, an epoxy compound having an epoxy group, a curable silicone, a polyester resin, and an organic solvent.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: December 1, 2020
    Assignee: SHIN-ETSU POLYMER CO., LTD.
    Inventors: Sou Matsubayashi, Kohei Kanto
  • Publication number: 20180010017
    Abstract: Provided is a coating for forming a conductive release layer capable of forming a conductive release layer having high adhesion to a film base material, suppressing deterioration in conductivity over time in the air, and having a sufficient releasing property. The coating for forming a conductive release layer of the present invention contains a conductive composite including a ?-conjugated conductive polymer and a polyanion, an epoxy compound having an epoxy group, a curable silicone, a polyester resin, and an organic solvent.
    Type: Application
    Filed: July 6, 2017
    Publication date: January 11, 2018
    Inventors: Sou Matsubayashi, Kohei Kanto
  • Patent number: 9657181
    Abstract: The invention relates to a composition for an antistatic release agent comprising: a release component, a conductive component, an organic solvent, and water, wherein the release component contains a condensation-type organopolysiloxane, the conductive component contains a complex with a ?-conjugated electrically conductive polymer and a polyanion having a molecular weight of 20,000 to 900,000, an amount of the conductive component is 1 to 300 parts by mass, relative to 100 parts by mass of the release component, at least one amine compound selected from the group consisting of a secondary amine, a tertiary amine or a quaternary ammonium salt is coordinated to or bonded to portion of anion groups in the polyanion as an ion pair, and the water content is 5% by mass or less, relative to a total amount of the composition for an antistatic release agent.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: May 23, 2017
    Assignees: SHIN-ETSU POLYMER CO., LTD., SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Sou Matsubayashi, Kohei Kanto, Kazuyoshi Yoshida, Kenji Yamamoto, Shinji Irifune
  • Patent number: 9624398
    Abstract: The invention relates to an antistatic release agent comprising: a release component that contains a condensation-curing type organopolysiloxane, a conductive component that contains a complex of a ?-conjugated electrically conductive polymer and a polyanion and an organic solvent, wherein the amount of the conductive component relative to 100 parts by mass of the release component is 1 to 300 parts by mass, at least one amine-type compound selected from the group consisting of a secondary amine, a tertiary amine or a quaternary ammonium salt is coordinated to or bonded to portion of anion groups in the polyanion as an ion pair, and the amine-type compound has one or more substituent selected from the group consisting of an alkyl group having 4 or more carbon atoms, an aryl group, an aralkyl group, an alkylene group, an arylene group, an aralkylene group and an oxyalkylene group.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: April 18, 2017
    Assignees: SHIN-ETSU POLYMER CO., LTD., SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Sou Matsubayashi, Kohei Kanto, Kazuyoshi Yoshida, Kenji Yamamoto, Shinji Irifune
  • Patent number: 9546310
    Abstract: A method of manufacturing an antistatic film includes a preparation step of preparing a mixed liquid by mixing a polyvinyl alcohol with an aqueous conductive polymer dispersion in which a conductive composite containing a ?-conjugated conductive polymer and a polyanion is included in a water-based dispersion medium; a coating step of obtaining a coating film by coating at least one surface of a film base with the mixed liquid; and a drying and stretching step of drying and stretching the coating film with heating.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: January 17, 2017
    Assignees: Shin-Etsu Polymer Co., Ltd., Nissin Chemical Industry Co., Ltd.
    Inventors: Sou Matsubayashi, Kohei Kanto, Kazuyoshi Yoshida, Takanori Suzuki
  • Publication number: 20160060497
    Abstract: A method of manufacturing an antistatic film includes a preparation step of preparing a mixed liquid by mixing a polyvinyl alcohol with an aqueous conductive polymer dispersion in which a conductive composite containing a ?-conjugated conductive polymer and a polyanion is included in a water-based dispersion medium; a coating step of obtaining a coating film by coating at least one surface of a film base with the mixed liquid; and a drying and stretching step of drying and stretching the coating film with heating.
    Type: Application
    Filed: August 19, 2015
    Publication date: March 3, 2016
    Inventors: Sou Matsubayashi, Kohei Kanto, Kazuyoshi Yoshida, Takanori Suzuki
  • Publication number: 20150348670
    Abstract: A curable antistatic organopolysiloxane composition capable of alleviating problems originating from amine compounds and problems originating from water and an antistatic silicone film formed by curing said composition is provided. The curable antistatic organopolysiloxane composition includes: (I) a conductive polymer composition which is pseudo-solubly dispersed in a solvent consisting mainly of an organic solvent and which includes (a) a ?-conjugated conductive polymer, (b) polyanions doping the ?-conjugated conductive polymer (a), and (c) a reaction product of those anions of the polyanions (b) that were not needed for doping, and an oxirane group and/or oxetane group-containing organic compound; and (II) a curable organopolysiloxane composition including an antistatic silicone film which is formed by supplying said composition onto a substrate and curing the same.
    Type: Application
    Filed: August 11, 2015
    Publication date: December 3, 2015
    Inventors: Hironao FUJIKI, Sou MATSUBAYASHI, Kohei KANTO, Takanori SUZUKI
  • Publication number: 20150322273
    Abstract: The invention relates to a composition for an antistatic release agent comprising: a release component, a conductive component, an organic solvent, and water, wherein the release component contains a condensation-type organopolysiloxane, the conductive component contains a complex with a ?-conjugated electrically conductive polymer and a polyanion having a molecular weight of 20,000 to 900,000, an amount of the conductive component is 1 to 300 parts by mass, relative to 100 parts by mass of the release component, at least one amine compound selected from the group consisting of a secondary amine, a tertiary amine or a quaternary ammonium salt is coordinated to or bonded to portion of anion groups in the polyanion as an ion pair, and the water content is 5% by mass or less, relative to a total amount of the composition for an antistatic release agent.
    Type: Application
    Filed: July 20, 2015
    Publication date: November 12, 2015
    Applicants: SHIN-ETSU POLYMER CO., LTD., SHIN-ETSU CHEMICAL CO. LTD.
    Inventors: Sou Matsubayashi, Kohei Kanto, Kazuyoshi Yoshida, Kenji Yamamoto, Shinji Irifune
  • Publication number: 20150225574
    Abstract: An antistatic release agent of the present invention contains: a silicone emulsion including four mutually different types of organopolysiloxanes and an organohydrogenpolysiloxane: and a conductive complex of a ?-conjugated electrically conductive a polymer and a polyanion; the content of the conductive complex being 0.5 to 100 parts by mass relative to 100 parts by mass of the total amount of organopolysiloxanes and organohydrogenpolysiloxane.
    Type: Application
    Filed: September 11, 2013
    Publication date: August 13, 2015
    Inventors: Kohei Kanto, Sou Matsubayashi, Kazuyoshi Yoshida, Tsutomu Nakajima, Shinji Irifune
  • Publication number: 20150218410
    Abstract: The invention relates to an antistatic release agent comprising: a release component that contains a condensation-curing type organopolysiloxane, a conductive component that contains a complex of a ?-conjugated electrically conductive polymer and a polyanion and an organic solvent, wherein the amount of the conductive component relative to 100 parts by mass of the release component is 1 to 300 parts by mass, at least one amine-type compound selected from the group consisting of a secondary amine, a tertiary amine or a quaternary ammonium salt is coordinated to or bonded to portion of anion groups in the polyanion as an ion pair, and the amine-type compound has one or more substituent selected from the group consisting of an alkyl group having 4 or more carbon atoms, an aryl group, an aralkyl group, an alkylene group, an arylene group, an aralkylene group and an oxyalkylene group.
    Type: Application
    Filed: September 5, 2013
    Publication date: August 6, 2015
    Applicant: SHIN-ETSU POLYMER CO., LTD.
    Inventors: Sou Matsubayashi, Kohei Kanto, Kazuyoshi Yoshida, Kenji Yamamoto, Shinji Irifune