Patents by Inventor Takehiro Hosokawa

Takehiro Hosokawa 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: 11898059
    Abstract: A surface protection composition having a compound represented by the formula (1) in an amount of 0.1 to 10 mass % in terms of phosphorus element with respect to the total amount of the composition, the compound (b) the metal-containing compound in an amount of 0.1 to 10 mass % in terms of a metal element with the total amount of the composition or the amine compound in an amount of 0.1 to 5.0 mass % in terms of nitrogen element the total amount of the composition, the compound (c) (meth)acrylate having 2 or more carbon-carbon double bonds and hydrocarbon chains having four or more carbon atoms in an amount of 1.0 to 70 mass % with the total amount of the composition, the compound (d) a photopolymerization initiator in an amount of 0.1 to 10 mass % with the total amount of the composition.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: February 13, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki Oshiumi, Takehiro Hosokawa, Makoto Mizoguchi
  • Publication number: 20230407046
    Abstract: To provide a metal-containing additive and a crosslinkable polymer composition that each contain a ?-diketonato metal complex and have excellent storage stability, and provide a crosslinked polymer material, a metal member, and a wire harness that are each produced using such a crosslinkable polymer composition. The metal-containing additive includes the ?-diketonato metal complex and a primary alkyl alcohol having 4 to 30 carbon atoms. The crosslinkable polymer composition includes the metal-containing additive and an organic polymer, where the organic polymer has a substituent capable of forming ionic bonds with metal ions released by heat from the metal-containing additive.
    Type: Application
    Filed: December 2, 2021
    Publication date: December 21, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Publication number: 20230399525
    Abstract: A crosslinkable polymer composition and a crosslinked polymer material including a metal member and a wiring harness. The crosslinkable polymer composition contains component A from which metal ion is released by heat, component B containing an organic polymer having a substituent capable of ionic bonding with the metal ion released from component A, and component C containing one or more acidic phosphate ester with a carbon number of 4 to 30. Assuming that the metal ion released from component A has a valence of +y and a content of the metal ion is m mol, the substituent contained in component B has a valence of ?z and a content of the substituent is n mol, the acidic phosphate constituting component C has a valence of ?x and a content of the acidic phosphate esters is 1 mol g?0.1 holds for g=(m·y?l·x)/(n·z).
    Type: Application
    Filed: October 28, 2021
    Publication date: December 14, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Publication number: 20230365852
    Abstract: A thermally conductive filler can exhibit high thermal conductive properties with a reduced specific gravity, a thermally-conductive composite material and a wire harness contains such a thermally conductive filler, and a method manufactures a thermally conductive filler. A thermally conductive filler contains base particles and a coating layer coating the particles, the coating layer contains a gel-like substance that is bonded to the surfaces of the base particles through chemical bonding and coats the surfaces of the base particles, and a thermally-conductive substance that is dispersed in the layer of the gel-like substance and has a higher thermal conductivity and a larger specific gravity than the base particles and the gel-like substance. Also, a thermally-conductive composite material is obtained by dispersing the thermally conductive filler in a matrix material. Furthermore, a wire harness contains the thermally-conductive composite material.
    Type: Application
    Filed: October 8, 2021
    Publication date: November 16, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Kazuo NAKASHIMA, Hironobu RACHI, Takashi KAWAKAMI, Yusaku MAEDA, Makoto MIZOGUCHI
  • Publication number: 20230365851
    Abstract: A thermally conductive additive is excellent in thermal conductivity improvement effect and has high processability, and a thermally conductive composite material and a wire harness each contain such a thermally conductive additive. The thermally conductive additive includes an organic component and a metal-containing component, where the organic component is configured as an organic compound including a coordination part that can multidentate-coordinate to a metal, and at least one functional group bonded to the coordination part and having a conjugated ?-electron system, and the organic component coordinates in the coordination part to a metal atom constituting the metal-containing component to form a coordination complex. The thermally conductive composite material includes the thermally conductive additive and a matrix material, where the thermally conductive additive is dispersed in the matrix material. The wire harness includes the thermally conductive composite material.
    Type: Application
    Filed: October 8, 2021
    Publication date: November 16, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Publication number: 20230265263
    Abstract: A metal-crosslinkable polymer composition and a metal crosslinked polymeric material having excellent curing rate and storage stability, and a metal member and a wiring harness to which the metal-crosslinkable polymer composition and the metal crosslinked polymeric material are applied. The metal-crosslinkable polymer composition includes an ingredient A which releases a metal ion when heated, and an ingredient B includes an organic polymer having a substituent group capable of forming an ionic bond with the metal ion released from the ingredient A. The metal-crosslinked polymeric material includes a crosslinked product of the metal-crosslinkable polymer composition. The metal member has a metal base member and a coating member covering a surface of the metal base member, where the coating member includes the metal-crosslinked polymeric material. The wiring harness includes the metal-crosslinked polymeric material.
    Type: Application
    Filed: March 25, 2021
    Publication date: August 24, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Publication number: 20230047707
    Abstract: A thermally conductive filler capable of exhibiting high thermal conductive properties with its specific gravity being reduced, a thermally conductive composite material and a wire harness that contains such a thermally conductive filler, and a method for forming a thermally conductive filler that can be used to form such a thermally conductive filler. A thermally conductive filler includes a hollow particle having a polar group on its surface, and a thermally conductive layer containing an inorganic compound that covers the surface of the hollow particle. Also, a thermally conductive composite material contains the thermally conductive filler and a matrix material, the thermally conductive filler being dispersed in the matrix material. Furthermore, a wire harness contains the thermally conductive composite material.
    Type: Application
    Filed: December 4, 2020
    Publication date: February 16, 2023
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Kazuo NAKASHIMA, Takashi KAWAKAMI, Yusaku MAEDA, Makoto MIZOGUCHI
  • Patent number: 11390759
    Abstract: A surface protection composition forms a uniform film, and a terminal fitted electric wire coated with the composition, the composition containing (a) a phosphorus compound represented by the formula (1) in an amount of 0.1 to 10 mass % in terms of phosphorus element, (b) a metal-containing compound in an amount of 0.1 to 10 mass % in terms of metal element or an amine compound in an amount of 0.1 to 5.0 mass % in terms of nitrogen element, (c) a (meth)acrylate compatible with a solvent with a solubility parameter of 8.2 or lower and has a hydrocarbon chain with 4 or higher carbon atoms in an amount of 1.0 to 70 mass %, and (d) at least one of a photopolymerization initiator and a thermal polymerization initiator in an amount of 0.1 to 10 mass %, with respect to the total amount of the composition.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: July 19, 2022
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, ANTIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki Oshiumi, Takehiro Hosokawa, Makoto Mizoguchi
  • Patent number: 11306250
    Abstract: Provided is a surface protection composition excellent in anticorrosion property for preventing metal corrosion as well as excellent in uniform applicability and heat resistance, and a terminal-fitted electric wire treated with the composition. The surface protection composition contains a phosphorus compound (a) represented by the general formula (1) in an amount of 0.1 to 10 mass % in terms of phosphorus element with respect to the total amount of the composition, at least one selected from the group consisting of a phosphorus compound (b1) represented by the general formula (2) and a carboxylic acid compound (b2) represented by the general formula (3) in an amount of 5.0 to 60 mass % with respect to the total amount of the composition, a metal-containing compound (c) in an amount of 0.1 to 10 mass % in terms of metal element with respect to the total amount of the composition, and a lubricant base oil (d).
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: April 19, 2022
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki Oshiumi, Takehiro Hosokawa, Makoto Mizoguchi
  • Publication number: 20210407702
    Abstract: Provided are a surface protection composition which has excellent anticorrosion performance to prevent the metal corrosion, and also has excellent coating properties and heat resistance with suppressing cracks from being occurred even in a cold environment and maintaining anticorrosion performance, and a terminal-fitted electric wire using these. The present protection composition contains: (a) a phosphorus compound represented by the following general formula (1) in an amount of 0.1 to 10 mass % in terms of phosphorus element with respect to the total amount of the composition; (b) a metal-containing compound in an amount of 0.1 to 10 mass % in terms of the metal element with respect to the total amount of the composition or an amine compound in an amount of 0.1 to 5.0 mass % in terms of nitrogen element with respect to the total amount of the composition; (c) a (meth) acrylate having two or more carbon-carbon double bonds and hydrocarbon chains having four or more carbon atoms in an amount of 1.
    Type: Application
    Filed: November 11, 2019
    Publication date: December 30, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Publication number: 20210388215
    Abstract: A surface protection composition forms a uniform film, and a terminal fitted electric wire coated with the composition, the composition containing (a) a phosphorus compound represented by the formula (1) in an amount of 0.1 to 10 mass % in terms of phosphorus element, (b) a metal-containing compound in an amount of 0.1 to 10 mass % in terms of metal element or an amine compound in an amount of 0.1 to 5.0 mass % in terms of nitrogen element, (c) a (meth)acrylate compatible with a solvent with a solubility parameter of 8.2 or lower and has a hydrocarbon chain with 4 or higher carbon atoms in an amount of 1.0 to 70 mass %, and (d) at least one of a photopolymerization initiator and a thermal polymerization initiator in an amount of 0.1 to 10 mass %, with respect to the total amount of the composition.
    Type: Application
    Filed: November 11, 2019
    Publication date: December 16, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Publication number: 20200403327
    Abstract: Provided is a surface protection composition excellent in anticorrosion property for preventing metal corrosion as well as excellent in uniform applicability and heat resistance, and a terminal-fitted electric wire treated with the composition. The surface protection composition contains a phosphorus compound (a) represented by the general formula (1) in an amount of 0.1 to 10 mass % in terms of phosphorus element with respect to the total amount of the composition, at least one selected from the group consisting of a phosphorus compound (b1) represented by the general formula (2) and a carboxylic acid compound (b2) represented by the general formula (3) in an amount of 5.0 to 60 mass % with respect to the total amount of the composition, a metal-containing compound (c) in an amount of 0.1 to 10 mass % in terms of metal element with respect to the total amount of the composition, and a lubricant base oil (d).
    Type: Application
    Filed: June 4, 2020
    Publication date: December 24, 2020
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Publication number: 20200403340
    Abstract: A water repellent agent is provided that can easily form a water repellent layer that shows high water repellency and has high thermal resistance even without a material containing fluorine atoms, as well as a water-repellent treated material, an electrical connection structure, and a wire harness which have water repellent layers formed of the water repellent agent. The water repellent agent contains hydrophobized silica particles as component A, a resin having a glass transition temperature of 100° C. or higher as component B, an acid-modified resin as component C, and an organic solvent as component D. The water repellent agent has a mass ratio B:C of the component B and the component C in the range of 95:5 to 50:50.
    Type: Application
    Filed: June 4, 2020
    Publication date: December 24, 2020
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Patent number: 10870812
    Abstract: A surface protection composition which is hard to deform or flow even placed under environments of a large temperature change with an external physical load such as pressure, and which stably protects a metal surface. A terminal fitted electric wire coated with the composition. The surface protection composition contains a high-consistency material (A) containing a lubricant base oil and an amide compound, and a phosphorus composition (B). The phosphorus composition (B) contains a composition (b1) containing one or more compounds represented by the general formulae (1) and (2) and one or more metals and/or one or more amines. The phosphorus composition (B) also contains one or more compounds (b2) represented by the general formula (3).
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: December 22, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, ENEOS CORPORATION
    Inventors: Naoyuki Oshiumi, Takehiro Hosokawa, Kohei Kobayashi, Tetsuya Nakamura, Tatsuya Hase, Yutaka Takata, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Yuji Shitara, Kazuhiro Yagishita
  • Publication number: 20200392350
    Abstract: A surface protection composition having a compound represented by the formula (1) in an amount of 0.1 to 10 mass % in terms of phosphorus element with respect to the total amount of the composition, the compound (b) the metal-containing compound in an amount of 0.1 to 10 mass % in terms of a metal element with the total amount of the composition or the amine compound in an amount of 0.1 to 5.0 mass % in terms of nitrogen element the total amount of the composition, the compound (c) (meth)acrylate having 2 or more carbon-carbon double bonds and hydrocarbon chains having four or more carbon atoms in an amount of 1.0 to 70 mass % with the total amount of the composition, the compound (d) a photopolymerization initiator in an amount of 0.1 to 10 mass % with the total amount of the composition.
    Type: Application
    Filed: February 25, 2019
    Publication date: December 17, 2020
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Naoyuki OSHIUMI, Takehiro HOSOKAWA, Makoto MIZOGUCHI
  • Patent number: 10858609
    Abstract: An anticorrosive agent including: a high-consistency material having a lubricant base oil and an amide compound, a composition of a phosphorus compound comprising one or more compounds represented by the general formulae (1) and (2) and a metal, and at least one kind of resin selected from a rosin-based resin, a terpene resin, a terpene phenol resin, a phenol resin, a coumarone-indene resin, and a petroleum resin, wherein a mass ratio of the high-consistency material and the composition is within a range of 50:50 to 98:2, and a content of resin is 2 to 20 parts by mass with respect to 100 parts by mass of the total of the high-consistency material and the composition.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: December 8, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, ENEOS CORPORATION
    Inventors: Yutaka Takata, Takehiro Hosokawa, Tatsuya Hase, Naoyuki Oshiumi, Takuya Yamashita, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Takashi Arai, Yuji Shitara, Kazuhiro Yagishita
  • Patent number: 10808200
    Abstract: A liquid composition which has an excellent coating property at room temperature and is retained on a surface to be coated after application on the surface, and a terminal-fitted electric wire having an increased corrosion resistance using the same. The liquid composition contains a high-consistency material, a low-viscosity liquid having a kinetic viscosity of 100 mm2/s or lower measured at 40° C. in accordance with JIS K2283, and an adduct containing an acidic phosphate ester containing one or more kinds of compounds represented by General Formulae (1) and (2), and a metal, P(?O)(—OR1)(—OH)2??(1), P(?O)(—OR1)2(—OH)??(2), where R1 represents a hydrocarbon group having 4 to 30 carbon atoms.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: October 20, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., KYUSHU UNIVERSITY
    Inventors: Kazuo Nakashima, Takehiro Hosokawa, Tatsuya Hase, Hironobu Rachi, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Hideki Nomura, Makoto Mizoguchi
  • Patent number: 10622741
    Abstract: An anticorrosive agent maintains its anticorrosion property when the agent is applied to the connection part of the terminal-fitted electric wire containing a covering member containing a plasticizer, and is exposed to high temperature. A terminal-fitted electric wire improves in anticorrosion property by using the agent. The anticorrosive agent contains a base oil (A) having a viscosity of 30 mPa·s or higher at 100° C., and a metal adsorbent (B) containing a phosphorus compound. The mass composition ratio (A):(B) of the base oil (A) and the metal adsorbent (B) is within a range of 50:50 to 98:2. In the terminal-fitted electric wire, an electric connection part between a terminal and an electric conductor is covered with a film of the anticorrosive agent.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: April 14, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY
    Inventors: Yutaka Takata, Takehiro Hosokawa, Tatsuya Hase, Naoyuki Oshiumi, Takuya Yamashita, Makoto Mizoguchi
  • Patent number: 10559403
    Abstract: A composition having an oil film retention function which an oil film can be stably retained on surfaces of various metals, an anticorrosive agent using same, and insulated terminated electric wire. A composition having oil film retention function for being added to base oil to be applied onto a metal surface and retaining base oil on metal surface, and composition contains a component that is an adduct of an azole compound and acidic alkyl phosphate ester including one or more compounds represented by General Formulae (1) (Chemical Formula 1) P(?O)(—OR1)(—OH)2 . . . (1) or General Formula (2) (Chemical Formula 2) P(?O)(—OR1)2(—OH) . . . (2) where R1 represents an organic group having four or more carbon atoms, and component that is an adduct of a metal and/or organic amine compound and acidic alkyl phosphate ester including one or more compounds represented by General Formulae (1) or (2).
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: February 11, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY
    Inventors: Tatsuya Hase, Takehiro Hosokawa, Kazuo Nakashima, Kazuhiro Goto, Hiroki Hirai, Junichi Ono, Takuji Otsuka, Hideki Nomura, Makoto Mizoguchi
  • Publication number: 20190173213
    Abstract: An anticorrosive agent maintains its anticorrosion property when the agent is applied to the connection part of the terminal-fitted electric wire containing a covering member containing a plasticizer, and is exposed to high temperature. A terminal-fitted electric wire improves in anticorrosion property by using the agent. The anticorrosive agent contains a base oil (A) having a viscosity of 30 mPa·s or higher at 100° C., and a metal adsorbent (B) containing a phosphorus compound. The mass composition ratio (A):(B) of the base oil (A) and the metal adsorbent (B) is within a range of 50:50 to 98:2. In the terminal-fitted electric wire, an electric connection part between a terminal and an electric conductor is covered with a film of the anticorrosive agent.
    Type: Application
    Filed: December 21, 2016
    Publication date: June 6, 2019
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY
    Inventors: Yutaka TAKATA, Takehiro HOSOKAWA, Tatsuya HASE, Naoyuki OSHIUMI, Takuya YAMASHITA, Makoto MIZOGUCHI