Patents by Inventor Takuji Ootsuka
Takuji Ootsuka 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).
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Patent number: 10808200Abstract: 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: GrantFiled: May 11, 2016Date of Patent: October 20, 2020Assignees: AUTONETWORKS TECHNOLOGIES, LTD., KYUSHU UNIVERSITYInventors: Kazuo Nakashima, Takehiro Hosokawa, Tatsuya Hase, Hironobu Rachi, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Hideki Nomura, Makoto Mizoguchi
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Patent number: 10770804Abstract: A wire with terminal 10 includes a wire 11 having a conductor part 12 and an insulation coating 13 surrounding the conductor part 12, a water stop portion 40 to be held in close contact with an outer surface of the insulation coating 13, and a terminal 20 having a conductor crimping portion 24 to be crimped to the conductor part 12 and a water stop holding portion 27 configured to hold the water stop portion 40 by being held in close contact with an outer surface side of the water stop portion 40.Type: GrantFiled: January 23, 2018Date of Patent: September 8, 2020Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Hideki Nomura, Hiroki Hirai, Takuji Ootsuka, Kohei Kobayashi, Yoshiaki Yamano, Takaaki Ito
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Patent number: 10644415Abstract: A terminal-equipped wire (X) includes a wire (10) with a core (11) covered by with insulation coating (12). A terminal (20) including a wire barrel (23) is crimped onto the core (11) exposed at an end of the wire (10). An anticorrosive (35) is attached to cover the crimped wire barrel (23). The wire barrel (23) has barrel pieces (23B) extending from side edges of a bottom plate. The core (11) is placed on the bottom plate so that a tip of the core (11) is retracted rearwardly of front edges of the barrel pieces (23B) and the barrel pieces (23B) are crimped to embrace the core (11) while extending ends of the barrel pieces (23B) butt against each other. A core confirmation opening (30) is formed in a front of the crimped wire barrel (23) by widening an interval between corresponding butting parts of the barrel pieces (23B).Type: GrantFiled: May 9, 2017Date of Patent: May 5, 2020Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Hideki Nomura, Hiroki Hirai, Junichi Ono, Takuji Ootsuka
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Publication number: 20190379144Abstract: A wire with terminal 10 includes a wire 11 having a conductor part 12 and an insulation coating 13 surrounding the conductor part 12, a water stop portion 40 to be held in close contact with an outer surface of the insulation coating 13, and a terminal 20 having a conductor crimping portion 24 to be crimped to the conductor part 12 and a water stop holding portion 27 configured to hold the water stop portion 40 by being held in close contact with an outer surface side of the water stop portion 40.Type: ApplicationFiled: January 23, 2018Publication date: December 12, 2019Inventors: Hideki Nomura, Hiroki Hirai, Takuji Ootsuka, Kohei Kobayashi, Yoshiaki Yamano, Takaaki Ito
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Publication number: 20190140366Abstract: A terminal-equipped wire (X) includes a wire (10) with a core (11) covered by with insulation coating (12). A terminal (20) including a wire barrel (23) is crimped onto the core (11) exposed at an end of the wire (10). An anticorrosive (35) is attached to cover the crimped wire barrel (23). The wire barrel (23) has barrel pieces (23B) extending from side edges of a bottom plate. The core (11) is placed on the bottom plate so that a tip of the core (11) is retracted rearwardly of front edges of the barrel pieces (23B) and the barrel pieces (23B) are crimped to embrace the core (11) while extending ends of the barrel pieces (23B) butt against each other. A core confirmation opening (30) is formed in a front of the crimped wire barrel (23) by widening an interval between corresponding butting parts of the barrel pieces (23B).Type: ApplicationFiled: May 9, 2017Publication date: May 9, 2019Inventors: Hideki Nomura, Hiroki Hirai, Junichi Ono, Takuji Ootsuka
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Patent number: 10196529Abstract: 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: GrantFiled: May 23, 2016Date of Patent: February 5, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG Nippon Oil & Energy CorporationInventors: 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
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Patent number: 10174207Abstract: 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: GrantFiled: May 23, 2016Date of Patent: January 8, 2019Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, JXTG NIPPON OIL & ENERGY CORPORATIONInventors: 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
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Patent number: 10128628Abstract: A method for manufacturing a terminal-attached electric wire including an electric wire including a core wire having plurality of strand wires, and a female terminal including wire barrels crimped around the core wire. The method includes a first step of applying ultrasonic vibrations to the core wire, and a second step of crimping the wire barrels in a region of the core wire to which ultrasonic vibrations have been applied. The first step includes applying ultrasonic vibrations to the core wire while leaving a compression margin for the crimping by the second step such that the resistance between the electric wire and the female terminal is stabilized until the strand wires of the terminal-attached electric wire are severed when the core wire of the terminal-attached electric wire is further compressed after the second step.Type: GrantFiled: December 3, 2015Date of Patent: November 13, 2018Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd., Toyota Jidosha Kabushiki KaishaInventors: Takuji Ootsuka, Hiroki Hirai, Junichi Ono, Kenji Miyamoto, Toshiya Oota, Takahito Nakashima, Hiroshi Kobayashi
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Publication number: 20180179400Abstract: 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: ApplicationFiled: May 23, 2016Publication date: June 28, 2018Inventors: 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
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Publication number: 20180163154Abstract: 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: ApplicationFiled: May 11, 2016Publication date: June 14, 2018Inventors: Kazuo NAKASHIMA, Takehiro HOSOKAWA, Tatsuya HASE, Hironobu RACHI, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Hideki NOMURA, Makoto MIZOGUCHI
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Publication number: 20180163058Abstract: 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: ApplicationFiled: May 23, 2016Publication date: June 14, 2018Inventors: 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
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Publication number: 20180138600Abstract: A terminal that is connected to an end of an aluminum electric wire obtained by covering core wires with an insulating cover. The terminal is provided with a pair of insulation barrel pieces (crimping pieces) that extend in directions that intersect the longitudinal direction of the aluminum electric wire, and are crimped to the outer circumferential surface of the insulating cover. The pair of insulation barrel pieces have tip end portions that face and abut against each other in a state in which the pair of insulation barrel pieces are crimped to the insulating cover.Type: ApplicationFiled: March 30, 2016Publication date: May 17, 2018Applicants: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd, SUMITOMO ELECTRIC INDUSTRIES, LTDInventors: Takanobu SHIMADA, Takuji OOTSUKA, Yoshihisa YOKOYAMA, Takahiko HAMAGUCHI, Takehiro NAKATA, Satoshi MORIKAWA, Hiroshi HAMADA, Hiroki HIRAI, Junichi ONO
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Patent number: 9972920Abstract: A terminal that is connected to an end of an aluminum electric wire obtained by covering core wires with an insulating cover. The terminal is provided with a pair of insulation barrel pieces (crimping pieces) that extend in directions that intersect the longitudinal direction of the aluminum electric wire, and are crimped to the outer circumferential surface of the insulating cover. The pair of insulation barrel pieces have tip end portions that face and abut against each other in a state in which the pair of insulation barrel pieces are crimped to the insulating cover.Type: GrantFiled: March 30, 2016Date of Patent: May 15, 2018Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd, SUMITOMO ELECTRIC INDUSTRIES, LTDInventors: Takanobu Shimada, Takuji Ootsuka, Yoshihisa Yokoyama, Takahiko Hamaguchi, Takehiro Nakata, Satoshi Morikawa, Hiroshi Hamada, Hiroki Hirai, Junichi Ono
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Patent number: 9912096Abstract: 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: GrantFiled: July 8, 2014Date of Patent: March 6, 2018Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITYInventors: Hideki Nomura, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Takehiro Hosokawa, Tatsuya Hase, Kazuhiro Goto, Kazuo Nakashima, Makoto Mizoguchi
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Publication number: 20170331243Abstract: A method for manufacturing a terminal-attached electric wire including an electric wire including a core wire having plurality of strand wires, and a female terminal including wire barrels crimped around the core wire. The method includes a first step of applying ultrasonic vibrations to the core wire, and a second step of crimping the wire barrels in a region of the core wire to which ultrasonic vibrations have been applied. The first step includes applying ultrasonic vibrations to the core wire while leaving a compression margin for the crimping by the second step such that the resistance between the electric wire and the female terminal is stabilized until the strand wires of the terminal-attached electric wire are severed when the core wire of the terminal-attached electric wire is further compressed after the second step.Type: ApplicationFiled: December 3, 2015Publication date: November 16, 2017Inventors: Takuji OOTSUKA, Hiroki HIRAI, Junichi ONO, Kenji MIYAMOTO, Toshiya OOTA, Takahito NAKASHIMA, Hiroshi KOBAYASHI
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Patent number: 9637461Abstract: An electrical connection structure includes: a first metal member including copper or a copper alloy, a plated tin layer being formed on at least a portion of the first metal member; a second metal member that is electrically connected or connectable to the first metal member; and a surface treating layer formed on the surface of the first metal member. The surface treating layer is formed by applying a surface treating agent containing base oil and a metal affinity compound having a lipophilic group and an affinity group that has an affinity for metal. The metal affinity compound contains an adduct between an acidic alkyl phosphate ester and an azole compound and an adduct between an acidic alkyl phosphate ester and a metal and/or an organic amine compound.Type: GrantFiled: September 29, 2014Date of Patent: May 2, 2017Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Hideki Nomura, Hiroki Hirai, Junichi Ono, Takuji Ootsuka, Takehiro Hosokawa, Tatsuya Hase, Kazuo Nakashima, Kazuhiro Goto, Makoto Mizoguchi
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Publication number: 20160264533Abstract: An electrical connection structure includes: a first metal member including copper or a copper alloy, a plated tin layer being formed on at least a portion of the first metal member; a second metal member that is electrically connected or connectable to the first metal member; and a surface treating layer formed on the surface of the first metal member. The surface treating layer is formed by applying a surface treating agent containing base oil and a metal affinity compound having a lipophilic group and an affinity group that has an affinity for metal. The metal affinity compound contains an adduct between an acidic alkyl phosphate ester and an azole compound and an adduct between an acidic alkyl phosphate ester and a metal and/or an organic amine compound.Type: ApplicationFiled: September 29, 2014Publication date: September 15, 2016Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Hideki NOMURA, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Takehiro HOSOKAWA, Tatsuya HASE, Kazuo NAKASHIMA, Kazuhiro GOTO, Makoto MIZOGUCHI
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Patent number: 9379460Abstract: A terminal-provided wire (10) includes a wire (11) formed by covering a core (12) with an insulation coating (13), a terminal (20) to be connected to the core (12) exposed at an end of the wire (10), and a shrinkable tube (28) for sealing a wire connecting portion (25) formed by connecting the exposed core (11) and the terminal (20). An inclined surface (12A) for making a thickness of the core (12) smaller toward the tip of the core (12) is formed by welding on a part of the exposed core (12) before the wire connecting portion (25).Type: GrantFiled: April 17, 2013Date of Patent: June 28, 2016Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD.Inventors: Kenji Miyamoto, Hiroki Hirai, Junichi Ono, Takuji Ootsuka
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Publication number: 20160156127Abstract: 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: ApplicationFiled: July 8, 2014Publication date: June 2, 2016Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., KYUSHU UNIVERSITYInventors: Hideki NOMURA, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Takehiro HOSOKAWA, Tatsuya HASE, Kazuhiro GOTO, Kazuo NAKASHIMA, Makoto MIZOGUCHI
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Publication number: 20160028177Abstract: An electric connection structure includes a copper member including copper or a copper alloy; a metal member connected to the copper member and including a metal having an ionization tendency greater than that of copper; and a surface treatment layer at least in a portion of the copper member that is different from a connection part connected to the metal member. The surface treatment layer includes a surface treating agent having a hydrophobic part and a chelate group in the molecular structure. Thus, the occurrence of electric erosion can be suppressed in the electric connection structure in which different kinds of metals are connected.Type: ApplicationFiled: January 28, 2014Publication date: January 28, 2016Inventors: Hideki NOMURA, Hiroki HIRAI, Junichi ONO, Takuji OOTSUKA, Tatsuya HASE, Kazuhiro GOTO, Takehiro HOSOKAWA, Kazuo NAKASHIMA, Makoto MIZOGUCHI