Patents by Inventor Kazuo Nakashima

Kazuo Nakashima 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: 10290396
    Abstract: A wiring harness capable of reliably blocking a leak path after an endurance test and exhibiting a good waterproof performance over a long period of time. The wiring harness has a waterproof structure in which a spliced portion is formed by joining conductors that are exposed by partially removing coating materials, and a conductor exposed portion composed of a bundle of the exposed conductors. An outer peripheral surface of each coating material end part of each insulated wire adjacent to the conductor exposed portion are continuously covered with a waterproofing agent to seal the conductor exposed portion and is configured using a reactive adhesive having a gel fraction in a range of 20 to 70% as the waterproofing agent.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: May 14, 2019
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kenji Ito, Tatsuya Hase, Kazuo Nakashima, Kohei Kobayashi
  • Publication number: 20190044257
    Abstract: A terminal block that includes a housing having a resin part; a bus bar integrally including an embedded part embedded in the resin part and a connecting part projecting outward from the resin part; and a seal sealing a gap existing between the embedded part and the resin part, wherein the seal is formed by an adhesive sheet.
    Type: Application
    Filed: February 9, 2017
    Publication date: February 7, 2019
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LIMITED, SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kazuo NAKASHIMA, Katsufumi MATSUI
  • Patent number: 10196529
    Abstract: A metal surface coating composition including a high-consistency material containing a lubricant base oil and an amide compound, and a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, wherein the ratio (a/b) of the number of amide groups (a) and the number of acidic groups (b) is within a range of 1.1 to 6.0: where X1 to X7 represent an oxygen atom or a sulfur atom, R11 to R13 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms, and R14 to R16 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: February 5, 2019
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG Nippon Oil & Energy Corporation
    Inventors: Kazuo Nakashima, Takehiro Hosokawa, Tatsuya Hase, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Hideki Nomura, Kazuhiro Goto, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Takashi Arai, Yuji Shitara, Kazuhiro Yagishita
  • Publication number: 20190013113
    Abstract: An electric wire with a connector in which high adhesiveness can be ensured at both the interface between an insulator and a sealing layer and the interface between a connector housing and the sealing layer, and a wire harness using this electric wire with a connector are provided. The electric wire with a connector includes an insulated electric wire including a conductor and an insulator containing silicone with which the outer circumference of the conductor is coated, a connector terminal connected to a portion of the conductor exposed by stripping a portion of the insulator, a connector housing made of a resin in which an end of the insulated electric wire and a portion of the connector terminal are embedded, and a sealing layer provided between the surface of the insulator and the connector housing covering the outer circumference of the surface of the insulator at the end of the insulated electric wire. The sealing layer is constituted by a sticky adhesive.
    Type: Application
    Filed: July 20, 2016
    Publication date: January 10, 2019
    Inventors: Kazuo NAKASHIMA, Katsufumi MATSUI, Takaaki HAMAGUCHI, Koki MURATA
  • Patent number: 10174207
    Abstract: A metal surface coating composition and a terminal-fitted electric wire which is anti-corrosion treated with the composition are provided. The composition includes a high-consistency material containing a lubricant base oil and an amide compound, a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, and a nucleating agent: where X1 to X7 each represent an oxygen atom or a sulfur atom, R11 to R13 each represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, among which at least one is a hydrocarbon group having 1 to 30 carbon atoms, and R14 to R16 each represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms among which at least one is a hydrocarbon group having 1 to 30 carbon atoms.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: January 8, 2019
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG NIPPON OIL & ENERGY CORPORATION
    Inventors: Kazuo Nakashima, Takehiro Hosokawa, Tatsuya Hase, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Hideki Nomura, Kazuhiro Goto, Makoto Mizoguchi, Koichi Yoshida, Kenichi Komiya, Takashi Arai, Yuji Shitara, Kazuhiro Yagishita
  • Publication number: 20190006787
    Abstract: A seal member for a vehicle that is capable of suppressing a decrease in the adhesive strength and the fluidization of the adhesive and maintaining a high sealing property even in the case where the seal member is exposed to a heat reception environment and an oil environment, and an electric relay component for a vehicle using this seal member. The seal member is constituted by a crosslinked adhesive composition containing an unvulcanized acrylic rubber having at least one functional group out of an epoxy group and a carboxy group and a vulcanizing agent capable of reacting with the functional group so as to form a crosslinking point. Preferably, the adhesive composition further contains a silane coupling agent. An electric relay component for a vehicle has a seal portion constituted by the seal member.
    Type: Application
    Filed: June 18, 2018
    Publication date: January 3, 2019
    Inventors: Takashi KAWAKAMI, Tetsuya NAKAMURA, Kazuo NAKASHIMA
  • Patent number: 10147517
    Abstract: A wire harness that includes an electric wire provided with a conductor and an insulator that coats an outer periphery of the conductor, a terminal connected to the conductor at a terminal end of the electric wire, and a molded resin portion that covers an outer periphery of the insulator at the terminal end of the electric wire and an outer periphery of an end portion on the electric wire side of the terminal. A storage modulus E? of the insulator that is measured using a dynamic viscoelasticity measurement device in a tensed mode at a temperature increase rate of 5° C./min and a frequency of 10. Hz is 100 MPa or less at 25° C. and 1 MPa or more at 250° C., and a starting temperature (T) of a rubbery plateau region (G) is 150° C. or less.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: December 4, 2018
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Kazuo Nakashima, Katsufumi Matsui, Kouji Fukumoto, Kentaro Tachi
  • Publication number: 20180336979
    Abstract: A wire harness that includes an electric wire provided with a conductor and an insulator that coats an outer periphery of the conductor, a terminal connected to the conductor at a terminal end of the electric wire, and a molded resin portion that covers an outer periphery of the insulator at the terminal end of the electric wire and an outer periphery of an end portion on the electric wire side of the terminal. A storage modulus E? of the insulator that is measured using a dynamic viscoelasticity measurement device in a tensed mode at a temperature increase rate of 5° C./min and a frequency of 10. Hz is 100 MPa or less at 25° C. and 1 MPa or more at 250° C., and a starting temperature (T) of a rubbery plateau region (G) is 150° C. or less.
    Type: Application
    Filed: November 18, 2016
    Publication date: November 22, 2018
    Inventors: Kazuo NAKASHIMA, Katsufumi MATSUI, Kouji FUKUMOTO, Kentaro TACHI
  • Patent number: 10079439
    Abstract: A composition for a metal surface coating that does not require a posttreatment such as heating, has flexibility to be able to follow deformation of a member to be coated, hardly peels off from a metal surface, and can be used for the purpose of corrosion protection, and a terminal-equipped covered electric wire using the same. The composition contains an adduct and a base oil. The adduct contains an acidic phosphate ester consisting of 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: January 29, 2015
    Date of Patent: September 18, 2018
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY
    Inventors: Tatsuya Hase, Kazuo Nakashima, Makoto Mizoguchi
  • Publication number: 20180179400
    Abstract: A metal surface coating composition including a high-consistency material containing a lubricant base oil and an amide compound, and a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, wherein the ratio (a/b) of the number of amide groups (a) and the number of acidic groups (b) is within a range of 1.1 to 6.0: where X1 to X7 represent an oxygen atom or a sulfur atom, R11 to R13 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms, and R14 to R16 represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms wherein at least one of them is a hydrocarbon group having 1 to 30 carbon atoms.
    Type: Application
    Filed: May 23, 2016
    Publication date: June 28, 2018
    Inventors: Kazuo NAKASHIMA, Takehiro HOSOKAWA, Tatsuya HASE, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Hideki NOMURA, Kazuhiro GOTO, Makoto MIZOGUCHI, Koichi YOSHIDA, Kenichi KOMIYA, Takashi ARAI, Yuji SHITARA, Kazuhiro YAGISHITA
  • Patent number: 10003177
    Abstract: A curing material, having a solubility parameter of 9.4 or more, contains at least a chain transfer agent that contains a compound containing a polyether structure and two or more urethane bonds or two or more urea bonds in a molecule, and a metal-containing compound. A wire harness is manufactured by supplying the curing material to a conductor exposed portion of a wire bundle including a plurality of bundled insulated wires each having a conductor covered with a covering material made of an insulating body, the conductor exposed portion being formed by removing a part of the covering material of the wire bundle to expose the conductor inside; and curing the curing material by irradiating light in a state in which a surface of the curing material is covered with a protective member formed from a resin containing a plasticizer and having light transmissivity, thereby forming a waterproof portion.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: June 19, 2018
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY
    Inventors: Kazuo Nakashima, Tatsuya Hase, Yoshihito Kato, Makoto Mizoguchi
  • Publication number: 20180163058
    Abstract: A metal surface coating composition and a terminal-fitted electric wire which is anti-corrosion treated with the composition are provided. The composition includes a high-consistency material containing a lubricant base oil and an amide compound, a composition of a phosphorus compound containing one or more compounds represented by the below formulae and a metal, and a nucleating agent: where X1 to X7 each represent an oxygen atom or a sulfur atom, R11 to R13 each represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, among which at least one is a hydrocarbon group having 1 to 30 carbon atoms, and R14 to R16 each represent a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms among which at least one is a hydrocarbon group having 1 to 30 carbon atoms.
    Type: Application
    Filed: May 23, 2016
    Publication date: June 14, 2018
    Inventors: Kazuo NAKASHIMA, Takehiro HOSOKAWA, Tatsuya HASE, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Hideki NOMURA, Kazuhiro GOTO, Makoto MIZOGUCHI, Koichi YOSHIDA, Kenichi KOMIYA, Takashi ARAI, Yuji SHITARA, Kazuhiro YAGISHITA
  • Publication number: 20180163154
    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: Application
    Filed: May 11, 2016
    Publication date: June 14, 2018
    Inventors: Kazuo NAKASHIMA, Takehiro HOSOKAWA, Tatsuya HASE, Hironobu RACHI, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Hideki NOMURA, Makoto MIZOGUCHI
  • Patent number: 9912096
    Abstract: A terminated electric wire includes an electric wire that includes a core wire including a metal having an ionization tendency larger than that of copper and being exposed from an end portion of the electric wire, and a terminal that includes copper or a copper alloy and is connected to the exposed core wire. A surface treating layer includes a surface treating agent that is in liquid form or in paste form and whose molecular structure contains an affinity group having an affinity for the terminal and a hydrophobic group having hydrophobicity, and is formed on a surface of the terminal. As a result, the electrolytic corrosion resistance of the terminated electric wire is improved.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: March 6, 2018
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY
    Inventors: Hideki Nomura, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Takehiro Hosokawa, Tatsuya Hase, Kazuhiro Goto, Kazuo Nakashima, Makoto Mizoguchi
  • Publication number: 20170338005
    Abstract: A wiring harness capable of reliably blocking a leak path after an endurance test and exhibiting a good waterproof performance over a long period of time. The wiring harness has a waterproof structure in which a spliced portion is formed by joining conductors that are exposed by partially removing coating materials, and a conductor exposed portion composed of a bundle of the exposed conductors. An outer peripheral surface of each coating material end part of each insulated wire adjacent to the conductor exposed portion are continuously covered with a waterproofing agent to seal the conductor exposed portion and is configured using a reactive adhesive having a gel fraction in a range of 20 to 70% as the waterproofing agent.
    Type: Application
    Filed: November 6, 2015
    Publication date: November 23, 2017
    Inventors: Kenji ITO, Tatsuya HASE, Kazuo NAKASHIMA, Kohei KOBAYASHI
  • Patent number: 9824792
    Abstract: A wiring harness has a waterproof structure in which a waterproof agent covers a conductor exposed portion-and outer peripheral surfaces of end portions of wire covering members of a plurality of insulated wires in succession, the portion including a splice portion where portions of the members of the insulated wires are removed and the exposed conductors are spliced together and a bundle of the exposed conductors of the insulated wires, the end portions being adjacent to the portion, whereby the portion is sealed with the waterproof agent, wherein the waterproof agent is a cured product of an ultraviolet curable adhesive agent that contains (A) an ester acrylate having a linear or branched C2-C12 alkyl group, (B) a (meth)acrylate compound comprising at least two urethane bonds in one molecule, and (C) a photopolymerization initiator.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: November 21, 2017
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd., Kyushu University
    Inventors: Kazuo Nakashima, Takehiro Hosokawa, Tatsuya Hase, Kenji Ito, Makoto Mizoguchi
  • Publication number: 20170243673
    Abstract: A wiring harness has a waterproof structure in which a waterproof agent covers a conductor exposed portion-and outer peripheral surfaces of end portions of wire covering members of a plurality of insulated wires in succession, the portion including a splice portion where portions of the members of the insulated wires are removed and the exposed conductors are spliced together and a bundle of the exposed conductors of the insulated wires, the end portions being adjacent to the portion, whereby the portion is sealed with the waterproof agent, wherein the waterproof agent is a cured product of an ultraviolet curable adhesive agent that contains(A) an ester acrylate having a linear or branched C2-C12 alkyl group, (B) a (meth)acrylate compound comprising at least two urethane bonds in one molecule, and (C) a photopolymerization initiator.
    Type: Application
    Filed: October 9, 2015
    Publication date: August 24, 2017
    Inventors: Kazuo NAKASHIMA, Takehiro HOSOKAWA, Tatsuya HASE, Kenji ITO, Makoto MIZOGUCHI
  • Patent number: 9708432
    Abstract: Provided is a (meth)acrylate and a radical curable material with which the sensitivity can be enhanced to improve the curability, the increase in viscosity can be suppressed due to good compatibility with various acrylate compounds, and there is no risk that the physical properties of the curable material are deteriorated. The (meth)acrylate has one or more structures represented by Formula 1 in the molecule, and when the (meth)acrylate is used for radical curing, the sensitivity is enhanced. In Formula 1, R1 is a hydrogen atom or a methyl group, R2 is a C1-C10 alkyl chain, R3 is either Formula 2 or 3, and R4 is an alkyl chain constituted by carbon atoms and hydrogen atoms.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: July 18, 2017
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LIMITED, SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY
    Inventors: Tatsuya Hase, Kazuo Nakashima, Makoto Mizoguchi
  • Patent number: 9695270
    Abstract: A photocurable material that allows dark portion curing even if the form of a material to be cured is complicated and the length of an unirradiated portion is long. The photocurable material has both of radical curability and anionic curability, is a photocurable liquid composition curable by irradiation of light, and contains (meth)acrylate and a chain transfer agent, wherein the chain transfer agent is a compound containing one or more of at least one kind selected from a urethane bond, a urea bond, and an isocyanate group, and one or more alkoxysilyl groups. The photocurable material is capable of curing even a portion that irradiation light does not reach.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: July 4, 2017
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY
    Inventors: Tatsuya Hase, Kazuo Nakashima, Makoto Mizoguchi
  • Patent number: 9640963
    Abstract: A terminal-provided wire (1) includes an insulated wire (10) with an insulation coating (12) made of polyolefin-based resin, an adhesive layer (30) formed on a surface of the insulation coating (12) over the entire circumference and a waterproof resin portion (40) formed by insert molding. The waterproof resin portion (40) covers an area from a part of the insulated wire (10) where the adhesive layer (30) is formed to a connected part (21) of a metal terminal (20) to a core (11). The adhesive layer 30) is made of modified olefin-based resin, which is olefin-based resin modified with a polar group. The waterproof resin portion (40) is made of aromatic nylon.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: May 2, 2017
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Masaharu Suetani, Tetsuya Nakamura, Katsufumi Matsui, Kazuo Nakashima, Kouji Fukumoto, Daisuke Hashimoto, Toshiya Hirooka, Kentaro Tachi