Patents by Inventor Hirotaka Eshima
Hirotaka Eshima 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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Publication number: 20190157824Abstract: [Problem] Provided are a composite cable and a composite harness that allow the improvement of cable termination workability while maintaining the flex resistance. [Solution] A composite cable 1 is provided with a pair of first electric wires 2, a twisted pair wire 4 formed by twisting a pair of second electric wires 3 having a smaller outer diameter than the first electric wires 2 and a tape member 6 spirally wound around an assembled article 5 that is formed by twisting the pair of first electric wires 2 and the twisted pair wire 4 together, wherein a twist direction of the twisted pair wire 4 is different from a twist direction of the assembled article 5, and the twist direction of the assembled article 5 is different from a winding direction of the tape member 6.Type: ApplicationFiled: January 23, 2019Publication date: May 23, 2019Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hiroyuki ITO, Naoya TOYOSHIMA, Hirotaka ESHIMA, Fumihito OKA, Takahiro FUTATSUMORI
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Patent number: 10297367Abstract: A composite cable includes a first twisted-pair wire formed by twisting a pair of first electric wires, a second twisted-pair wire formed by twisting a pair of second electric wires, a pair of third electric wires arranged between the first and second twisted-pair wires in a circumferential direction, each third electric wire having a larger outer diameter than the first and second electric wires, and a tape member spirally wound around an assembled article that is formed by twisting the first twisted-pair wire, the second twisted-pair wire and the pair of third electric wires together. The two twisted-pair wires have the same twist direction, the twist direction of the two twisted-pair wires is different from a twist direction of the assembled article, and the twist direction of the assembled article is different from a winding direction of the tape member.Type: GrantFiled: September 17, 2018Date of Patent: May 21, 2019Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori
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Patent number: 10279756Abstract: A complex harness for a vehicle, configured to be provided from a vehicle body to a wheel, includes a composite cable including a plurality of power wires, each of which includes a center conductor covered with an insulation, and a plurality of signal wires, each of which includes a center conductor covered with an insulation, an outer diameter of each of the signal wires being smaller than an outer diameter of each of the power wires, the plurality of power wires and the plurality of signal wires being integrated by an outer sheath including a thermoplastic urethane. A plurality of clamps for attaching the composite cable to the vehicle body are fixed to an outer periphery of the outer sheath respectively via a plurality of rubber members provided along a part of a longitudinal direction of the composite cable.Type: GrantFiled: January 12, 2018Date of Patent: May 7, 2019Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Hirotaka Eshima
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Patent number: 10283235Abstract: A composite harness includes a composite cable that includes a plurality of first electric wires, a multicore wire formed by covering a plurality of second electric wires having a smaller diameter than the plurality of first electric wires with one urethane-based resin inner sheath to be in contact with the first electric wires, and a jacket covering an outer periphery of the plurality of first electric wires and the multicore wire, and a molded resin provided at an end portion of the composite cable so as to cover an outer surface of the inner sheath at an end portion of the multicore wire. The outer surface of the inner sheath is irregularity-formed at least at a portion in contact with the plurality of first electric wires and a portion covered with the molded resin.Type: GrantFiled: January 17, 2017Date of Patent: May 7, 2019Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima
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Patent number: 10224683Abstract: [Problem] Provided are a composite cable and a composite harness that allow the improvement of cable termination workability while maintaining the flex resistance. [Solution] A composite cable 1 is provided with a pair of first electric wires 2, a twisted pair wire 4 formed by twisting a pair of second electric wires 3 having a smaller outer diameter than the first electric wires 2 and a tape member 6 spirally wound around an assembled article 5 that is formed by twisting the pair of first electric wires 2 and the twisted pair wire 4 together, wherein a twist direction of the twisted pair wire 4 is different from a twist direction of the assembled article 5, and the twist direction of the assembled article 5 is different from a winding direction of the tape member 6.Type: GrantFiled: February 26, 2018Date of Patent: March 5, 2019Assignee: Hitachi Metals, Ltd.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hiroyuki Ito, Naoya Toyoshima, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori
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Publication number: 20190019602Abstract: A composite cable includes a first twisted-pair wire formed by twisting a pair of first electric wires, a second twisted-pair wire formed by twisting a pair of second electric wires, a pair of third electric wires arranged between the first and second twisted-pair wires in a circumferential direction, each third electric wire having a larger outer diameter than the first and second electric wires, and a tape member spirally wound around an assembled article that is formed by twisting the first twisted-pair wire, the second twisted-pair wire and the pair of third electric wires together. The two twisted-pair wires have the same twist direction, the twist direction of the two twisted-pair wires is different from a twist direction of the assembled article, and the twist direction of the assembled article is different from a winding direction of the tape member.Type: ApplicationFiled: September 17, 2018Publication date: January 17, 2019Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hirotaka ESHIMA, Fumihito OKA, Takahiro FUTATSUMORI
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Patent number: 10163547Abstract: A composite cable includes: a plurality of first electric wires; a shield wire including a twisted wire in which a plurality of second electric wires are twisted together and a shield layer provided on an outer periphery of the twisted wire, each of the second electric wires having an outer diameter smaller than each of the first electric wires; a sheath provided on an outer periphery of an electric wire bundle in which the plurality of first electric wires and the shield wire are twisted together; a plurality of first linear fillers filled between the twisted wire and the shield layer; and a plurality of second linear fillers filled between the electric wire bundle and the sheath, wherein each of the first linear fillers and each of the second linear fillers are a same type of linear filler, and a fill ratio of the first linear fillers is greater than a fill ratio of the second linear fillers.Type: GrantFiled: March 22, 2018Date of Patent: December 25, 2018Assignee: Hitachi Metals, Ltd.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Sachio Suzuki, Hiroyuki Ito, Takahiro Futatsumori, Noriyuki Takahashi
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Patent number: 10160408Abstract: A composite cable includes a first twisted-pair wire formed by twisting a pair of first electric wires which each include a first center conductor and a first insulation, a second twisted-pair wire formed by twisting a pair of second electric wires which each include a second center conductor and a second insulation, a pair of third electric wires arranged between the first and second twisted-pair wires, the third electric wires each having a larger outer diameter than the first and second electric wires and including a third center conductor with a larger cross-sectional area than the first and second center conductors and a third insulation, and a tape member spirally wound around an assembled article formed by twisting the first and second twisted-pair wires and the pair of third electric wires together. The twisted-pair wires, the assembled article and the tape member are twisted or wound in a same direction.Type: GrantFiled: March 22, 2017Date of Patent: December 25, 2018Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori
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Patent number: 10128626Abstract: A composite cable is provided that improves terminal machinability while maintaining bending resistance. The composite cable is provided with: a pair of first electric wires; a twisted-pair wire obtained by twisting together a pair of second electric wires having an outer diameter that is smaller than that of the first electric wires; and a tape member spirally wrapped around an aggregate obtained by twisting the pair of first electric wires together with the twisted-pair wire. The twisting direction of the twisted-pair wire, the twisting direction of the aggregate, and the wrapping direction of the tape member are all the same direction.Type: GrantFiled: April 3, 2018Date of Patent: November 13, 2018Assignee: Hitachi Metals, Ltd.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hiroyuki Ito, Naoya Toyoshima, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori
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Patent number: 10115500Abstract: A composite cable includes a first twisted-pair wire formed by twisting a pair of first electric wires, a second twisted-pair wire formed by twisting a pair of second electric wires, a pair of third electric wires arranged between the first and second twisted-pair wires in a circumferential direction, each third electric wire having a larger outer diameter than the first and second electric wires, and a tape member spirally wound around an assembled article that is formed by twisting the first twisted-pair wire, the second twisted-pair wire and the pair of third electric wires together. The two twisted-pair wires have the same twist direction, the twist direction of the two twisted-pair wires is different from a twist direction of the assembled article, and the twist direction of the assembled article is different from a winding direction of the tape member.Type: GrantFiled: January 18, 2018Date of Patent: October 30, 2018Assignee: Hitachi Metals, Ltd.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori
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Publication number: 20180286538Abstract: A composite cable includes: a plurality of first electric wires; a shield wire including a twisted wire in which a plurality of second electric wires are twisted together and a shield layer provided on an outer periphery of the twisted wire, each of the second electric wires having an outer diameter smaller than each of the first electric wires; a sheath provided on an outer periphery of an electric wire bundle in which the plurality of first electric wires and the shield wire are twisted together; a plurality of first linear fillers filled between the twisted wire and the shield layer; and a plurality of second linear fillers filled between the electric wire bundle and the sheath, wherein each of the first linear fillers and each of the second linear fillers are a same type of linear filler, and a fill ratio of the first linear fillers is greater than a fill ratio of the second linear fillers.Type: ApplicationFiled: March 22, 2018Publication date: October 4, 2018Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hirotaka ESHIMA, Sachio SUZUKI, Hiroyuki ITO, Takahiro FUTATSUMORI, Noriyuki TAKAHASHI
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Publication number: 20180226762Abstract: A composite cable is provided that improves terminal machinability while maintaining bending resistance. The composite cable is provided with: a pair of first electric wires; a twisted-pair wire obtained by twisting together a pair of second electric wires having an outer diameter that is smaller than that of the first electric wires; and a tape member spirally wrapped around an aggregate obtained by twisting the pair of first electric wires together with the twisted-pair wire. The twisting direction of the twisted-pair wire, the twisting direction of the aggregate, and the wrapping direction of the tape member are all the same direction.Type: ApplicationFiled: April 3, 2018Publication date: August 9, 2018Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hiroyuki ITO, Naoya TOYOSHIMA, Hirotaka ESHIMA, Fumihito OKA, Takahiro FUTATSUMORI
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Publication number: 20180191114Abstract: [Problem] Provided are a composite cable and a composite harness that allow the improvement of cable termination workability while maintaining the flex resistance. [Solution] A composite cable 1 is provided with a pair of first electric wires 2, a twisted pair wire 4 formed by twisting a pair of second electric wires 3 having a smaller outer diameter than the first electric wires 2 and a tape member 6 spirally wound around an assembled article 5 that is formed by twisting the pair of first electric wires 2 and the twisted pair wire 4 together, wherein a twist direction of the twisted pair wire 4 is different from a twist direction of the assembled article 5, and the twist direction of the assembled article 5 is different from a winding direction of the tape member 6.Type: ApplicationFiled: February 26, 2018Publication date: July 5, 2018Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hiroyuki ITO, Naoya TOYOSHIMA, Hirotaka ESHIMA, Fumihito OKA, Takahiro FUTATSUMORI
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Publication number: 20180166184Abstract: A cable includes an assembled article formed by twisting a plurality of electric wires, a tape member spirally wound around the assembled article, and a sheath covering around the tape member. The sheath includes an injection molded body including an urethane resin. The tape member includes a non-woven fabric tape including a polyester, a polypropylene, an aramid fiber, a nylon, an acryl fiber, or a glass fiber and an air permeability defined by the Frazier method of not less than 30 cm3/cm2·sec. A twist direction of the assembled article is opposite to a winding direction of the non-woven fabric tape.Type: ApplicationFiled: December 1, 2017Publication date: June 14, 2018Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hirotaka ESHIMA, Fumihito OKA, Takahiro FUTATSUMORI
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Publication number: 20180144845Abstract: A composite cable includes a first twisted-pair wire formed by twisting a pair of first electric wires, a second twisted-pair wire formed by twisting a pair of second electric wires, a pair of third electric wires arranged between the first and second twisted-pair wires in a circumferential direction, each third electric wire having a larger outer diameter than the first and second electric wires, and a tape member spirally wound around an assembled article that is formed by twisting the first twisted-pair wire, the second twisted-pair wire and the pair of third electric wires together. The two twisted-pair wires have the same twist direction, the twist direction of the two twisted-pair wires is different from a twist direction of the assembled article, and the twist direction of the assembled article is different from a winding direction of the tape member.Type: ApplicationFiled: January 18, 2018Publication date: May 24, 2018Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hirotaka ESHIMA, Fumihito OKA, Takahiro FUTATSUMORI
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Publication number: 20180134239Abstract: A complex harness for a vehicle, configured to be provided from a vehicle body to a wheel, includes a composite cable including a plurality of power wires, each of which includes a center conductor covered with an insulation, and a plurality of signal wires, each of which includes a center conductor covered with an insulation, an outer diameter of each of the signal wires being smaller than an outer diameter of each of the power wires, the plurality of power wires and the plurality of signal wires being integrated by an outer sheath including a thermoplastic urethane. A plurality of clamps for attaching the composite cable to the vehicle body are fixed to an outer periphery of the outer sheath respectively via a plurality of rubber members provided along a part of a longitudinal direction of the composite cable.Type: ApplicationFiled: January 12, 2018Publication date: May 17, 2018Inventors: Yoshikazu HAYAKAWA, Hirotaka Eshima
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Patent number: 9960557Abstract: A composite cable is provided that improves terminal machinability while maintaining bending resistance. The composite cable is provided with: a pair of first electric wires; a twisted-pair wire obtained by twisting together a pair of second electric wires having an outer diameter that is smaller than that of the first electric wires; and a tape member spirally wrapped around an aggregate obtained by twisting the pair of first electric wires together with the twisted-pair wire. The twisting direction of the twisted-pair wire, the twisting direction of the aggregate, and the wrapping direction of the tape member are all the same direction.Type: GrantFiled: September 14, 2015Date of Patent: May 1, 2018Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hiroyuki Ito, Naoya Toyoshima, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori
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Patent number: 9948047Abstract: [Problem] Provided are a composite cable and a composite harness that allow the improvement of cable termination workability while maintaining the flex resistance. [Solution] A composite cable 1 is provided with a pair of first electric wires 2, a twisted pair wire 4 formed by twisting a pair of second electric wires 3 having a smaller outer diameter than the first electric wires 2 and a tape member 6 spirally wound around an assembled article 5 that is formed by twisting the pair of first electric wires 2 and the twisted pair wire 4 together, wherein a twist direction of the twisted pair wire 4 is different from a twist direction of the assembled article 5, and the twist direction of the assembled article 5 is different from a winding direction of the tape member 6.Type: GrantFiled: September 14, 2015Date of Patent: April 17, 2018Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hiroyuki Ito, Naoya Toyoshima, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori
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Patent number: 9928940Abstract: A cable includes a plurality of electric wires, a tape member wound around the plurality of electric wires, and a jacket that covers an outer periphery of the tape member and includes an urethane-based resin. The tape member includes a nonwoven fabric including one of a polyester, a polypropylene, an aramid fiber, a nylon, an acrylic fiber and a glass fiber. An air permeability of the nonwoven fabric is not less than 30 cc/cm2/sec.Type: GrantFiled: February 13, 2017Date of Patent: March 27, 2018Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Fumihito Oka, Hirotaka Eshima, Takahiro Futatsumori
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Patent number: 9919662Abstract: A cable includes a plurality of electric wires, a paper tape wound around the plurality of electric wires, and an outer covering that covers a periphery of the paper tape and comprises a urethane-based resin. An air resistance of the paper tape as measured by Gurley tester method is not less than 5.0 sec/100 cc.Type: GrantFiled: February 14, 2017Date of Patent: March 20, 2018Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori