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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Patent number: 11846527Abstract: A sensor device includes a first pair of connection terminals extended from a first sensor and a second pair of connection terminals extended from a second sensor. A first negative connection terminal that is a negative connection terminal of the first pair of connection terminals and a second negative connection terminal that is a negative connection terminal of the second pair of connection terminals are electrically connected to each other.Type: GrantFiled: January 21, 2022Date of Patent: December 19, 2023Assignee: PROTERIAL, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Yuta Sugiyama, Hirotaka Eshima
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Patent number: 11664136Abstract: A composite cable includes a plurality of power lines, one signal line unit, and a sheath collectively covering the plurality of power lines and the one signal line unit. The signal line unit includes a plurality of pairs of signal lines, and an inner sheath covering a first assembled article. The first assembled article is formed by arranging the signal lines to be paired at each pair of adjacent vertices of a polygon with an even number of vertices in a cross-section perpendicular to a longitudinal direction of the signal line unit and twisting all the signal lines together. A twisting direction of a second assembled article formed by twisting the plurality of power lines and the one signal line unit together is different from a twisting direction of the first assembled article.Type: GrantFiled: September 22, 2021Date of Patent: May 30, 2023Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Takahiro Futatsumori
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Publication number: 20230094637Abstract: A composite cable is composed of plural electric power wires, a first twisted wire made by laying plural signal wires together, a second twisted wire disposed opposite the first twisted wire with the electric power wires between the first twisted wire and the second twisted wire, and a sheath formed over plural electric power wires, the first twisted wire, and the second twisted wire. The second twisted wire is made by laying plural electric wires including a grounding wire together. Each of the plural electric wires of the second twisted wire is composed of a conductor and an insulator formed over the conductor.Type: ApplicationFiled: September 23, 2022Publication date: March 30, 2023Inventors: Tomoyuki MURAYAMA, Yoshikazu HAYAKAWA, Hirotaka ESHIMA, Takahiro FUTATSUMORI
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Publication number: 20230095084Abstract: A composite cable includes a plurality of internal cables and a covering member covering peripheries of the plurality of internal cables. At least one of the plurality of internal cables includes at least one electric wire having a conductor, a first sheath covering a periphery of the at least one electric wire, a shield covering a periphery of the first sheath, and a second sheath covering a periphery of the shield.Type: ApplicationFiled: September 26, 2022Publication date: March 30, 2023Inventors: Hirotaka Eshima, Fumihito Oka, Yoshikazu Hayakawa, Tomoyuki Murayama, Takahiro Futatsumori
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Patent number: 11569003Abstract: A composite cable is composed of a plurality of power supply wires, a plurality of signal wires, two or more of which are configured to be connected to a common terminal member, and a sheath provided to cover the plurality of power supply wires and the plurality of signal wires together. The two or more of the plurality of signal wires being configured to be connected to the common terminal member are provided adjacent to each other.Type: GrantFiled: February 27, 2020Date of Patent: January 31, 2023Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Takahiro Futatsumori
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Patent number: 11476014Abstract: A wire harness includes a cable and a holding member. The cable includes a twisted wire, and an insulation coating that coats the twisted wire. The cable has a bent portion. The holding member covers a range of the cable including the bent portion, and retains a shape of the bent portion. The twisted wire is in contact with the holding member at least in a part of the bent portion.Type: GrantFiled: July 28, 2020Date of Patent: October 18, 2022Assignee: HITACHI METALS, LTD.Inventors: Hirotaka Eshima, Takahiro Futatsumori, Shingo Hatayama
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Publication number: 20220146284Abstract: A sensor device includes a first pair of connection terminals extended from a first sensor and a second pair of connection terminals extended from a second sensor. A first negative connection terminal that is a negative connection terminal of the first pair of connection terminals and a second negative connection terminal that is a negative connection terminal of the second pair of connection terminals are electrically connected to each other.Type: ApplicationFiled: January 21, 2022Publication date: May 12, 2022Inventors: Yoshikazu HAYAKAWA, Tomoyuki Murayama, Yuta Sugiyama, Hirotaka Eshima
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Patent number: 11312319Abstract: A wire harness includes a plurality of insulated electric wires, a sheath covering a part in a longitudinal direction of the insulated wires, and a branching portion fixing member covering an end portion of the sheath with the insulated wires guided out therefrom, and one-parts in respective longitudinal directions of the insulated wires being guided out from the end portion of the sheath. The branching portion fixing member includes a plurality of guiding-out portions to guide out the one-parts of the plurality of insulated wires respectively. The wire harness is provided with a protective tube to cover at least one of the guiding-out portions, and the insulated wire guided out from the at least one of the guiding-out portions, and a tightening member to tighten and fix one end portion of the protective tube to an outer peripheral surface of the at least one of the guiding-out portions.Type: GrantFiled: January 30, 2020Date of Patent: April 26, 2022Assignee: HITACHI METALS, LTD.Inventors: Hirotaka Eshima, Takahiro Futatsumori
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Publication number: 20220102023Abstract: A composite cable includes a plurality of power lines, one signal line unit, and a sheath collectively covering the plurality of power lines and the one signal line unit. The signal line unit includes a plurality of pairs of signal lines, and an inner sheath covering a first assembled article. The first assembled article is formed by arranging the signal lines to be paired at each pair of adjacent vertices of a polygon with an even number of vertices in a cross-section perpendicular to a longitudinal direction of the signal line unit and twisting all the signal lines together. A twisting direction of a second assembled article formed by twisting the plurality of power lines and the one signal line unit together is different from a twisting direction of the first assembled article.Type: ApplicationFiled: September 22, 2021Publication date: March 31, 2022Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Takahiro Futatsumori
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Publication number: 20220102027Abstract: A composite cable includes a plurality of power lines, one signal line unit, and a sheath collectively covering the plurality of power lines and the one signal line unit. The signal line unit includes a plurality of pairs of signal lines, and an inner sheath covering a first assembled article. The first assembled article is formed by arranging the signal lines to be paired at each pair of opposing vertices of a polygon with an even number of vertices in a cross-section perpendicular to a longitudinal direction of the signal line unit and twisting all the signal lines together.Type: ApplicationFiled: September 22, 2021Publication date: March 31, 2022Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hirotaka ESHIMA, Takahiro FUTATSUMORI
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Patent number: 11262217Abstract: A sensor device includes a first pair of connection terminals extended from a first sensor and a second pair of connection terminals extended from a second sensor. A first negative connection terminal that is a negative connection terminal of the first pair of connection terminals and a second negative connection terminal that is a negative connection terminal of the second pair of connection terminals are electrically connected to each other.Type: GrantFiled: April 1, 2020Date of Patent: March 1, 2022Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Yuta Sugiyama, Hirotaka Eshima
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Patent number: 11264148Abstract: A composite cable includes a pair of first electric wires, a twisted pair wire formed by twisting a pair of second electric wires having a smaller outer diameter than the first electric wires, a tape member wound into a spiral around an assembly that is formed by twisting the pair of first electric wires and the twisted pair wire together, and a sheath covering an outer periphery of the tape member. The tape member and the sheath includes an inwardly projecting part formed in a spiral along a cable longitudinal direction and formed so as to enter inward at least one of a valley part between the two first electric wires and valley parts between the first electric wires and the twisted pair wire. The inwardly projecting part has a projecting length of not less than 3% of an outer diameter of the first electric wires.Type: GrantFiled: December 25, 2015Date of Patent: March 1, 2022Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Fumihito Oka, Takahiro Futatsumori
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Publication number: 20210291762Abstract: A complex harness includes first electric wires, each of which includes a first center conductor and a first insulation that covers the first center conductor, a cable including second electric wires, each of which includes a second center conductor and a second insulation that covers the second center conductor, and an inner sheath that covers the second electric wires, and an outer sheath covering the first electric wires and the cable collectively. The first electric wires are extended from an end of the outer sheath. The cable is extended from the end of the outer sheath in a state where the second electric wires are collectively covered by the inner sheath in such a manner that an extension length of the cable from the end of the outer sheath is greater than an extension length of the first electric wires from the end of the outer sheath.Type: ApplicationFiled: June 8, 2021Publication date: September 23, 2021Inventors: Yoshikazu Hayakawa, Hirotaka Eshima
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Patent number: 11077806Abstract: A harness for a vehicle, configured to be attachable to a vehicle body, includes a cable including a plurality of electric wires, each of which includes a center conductor and an insulation that covers the center conductor, a separator including a paper, a non-woven fabric, or a resin tape that covers and contacts with the plurality of electric wires, and an outer sheath that covers the separator, a rubber member provided along a longitudinal direction of a part of the cable, and a fixing member for attaching the cable to the vehicle body. The fixing member is attached to an outer surface of the outer sheath through the rubber member.Type: GrantFiled: March 18, 2019Date of Patent: August 3, 2021Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Hirotaka Eshima
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Publication number: 20210210251Abstract: A composite cable includes a pair of first electric wires, a twisted pair wire formed by twisting a pair of second electric wires having a smaller outer diameter than the first electric wires, a tape member wound into a spiral around an assembly that is formed by twisting the pair of first electric wires and the twisted pair wire together, and a sheath covering an outer periphery of the tape member. The tape member and the sheath includes an inwardly projecting part formed in a spiral along a cable longitudinal direction and formed so as to enter inward at least one of a valley part between the two first electric wires and valley parts between the first electric wires and the twisted pair wire. The inwardly projecting part has a projecting length of not less than 3% of an outer diameter of the first electric wires.Type: ApplicationFiled: December 25, 2015Publication date: July 8, 2021Inventors: Yoshikazu HAYAKAWA, Tomoyuki MURAYAMA, Hirotaka ESHIMA, Fumihito OKA, Takahiro FUTATSUMORI
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Patent number: 11031154Abstract: A composite cable includes a twisted assembly including a pair of first single core wires and first and second multicore wires that are each arranged in one or the other of regions facing each other across a center plane passing through the central axes of the pair of first single core wires, include an electric wire with a solid (non-hollowed) structure including a first or second twisted pair wire formed by twisting a pair of second or third single core wires with a smaller cross-sectional area than the first single core wire and a first or second inner sheath covering the first or second twisted pair wire so as to fill a space between the pair of second or third single core wires, and have an outer diameter that is not less than 70% and not more than 160% of the outer diameter of the first single core wire.Type: GrantFiled: November 25, 2019Date of Patent: June 8, 2021Assignee: HITACHI METALS, LTD.Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Hirotaka Eshima, Takahiro Futatsumori
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Publication number: 20210035709Abstract: A wire harness includes a cable and a holding member. The cable includes a twisted wire, and an insulation coating that coats the twisted wire. The cable has a bent portion. The holding member covers a range of the cable including the bent portion, and retains a shape of the bent portion. The twisted wire is in contact with the holding member at least in a part of the bent portion.Type: ApplicationFiled: July 28, 2020Publication date: February 4, 2021Inventors: Hirotaka ESHIMA, Takahiro FUTATSUMORI, Shingo HATAYAMA
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Patent number: 10867722Abstract: A wire harness is composed of a plurality of insulated electric wires, each including a conductor wire, and an insulating member provided over the conductor wire, a sheath provided over a part in a longitudinal direction of the plurality of insulated electric wires, and a molded member comprising a rubber-like elastic body, and provided over an end portion of the sheath with the plurality of insulated electric wires being guided out therefrom, and respective one parts of the plurality of insulated electric wires being guided out from the end portion of the sheath. The molded member includes a plurality of cylindrical shape guiding out portions, which are configured to guide out the respective one parts of the plurality of insulated electric wires respectively, wherein outer peripheral surfaces of the plurality of guiding out portions are tightened by tightening members respectively.Type: GrantFiled: November 18, 2019Date of Patent: December 15, 2020Assignee: HITACHI METALS, LTD.Inventors: Hirotaka Eshima, Takahiro Futatsumori
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Publication number: 20200318994Abstract: A sensor device includes a first pair of connection terminals extended from a first sensor and a second pair of connection terminals extended from a second sensor. A first negative connection terminal that is a negative connection terminal of the first pair of connection terminals and a second negative connection terminal that is a negative connection terminal of the second pair of connection terminals are electrically connected to each other.Type: ApplicationFiled: April 1, 2020Publication date: October 8, 2020Inventors: Yoshikazu Hayakawa, Tomoyuki Murayama, Yuta Sugiyama, Hirotaka Eshima
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Publication number: 20200286647Abstract: A composite cable is composed of a plurality of power supply wires, a plurality of signal wires, two or more of which are configured to be connected to a common terminal member, and a sheath provided to cover the plurality of power supply wires and the plurality of signal wires together. The two or more of the plurality of signal wires being configured to be connected to the common terminal member are provided adjacent to each other.Type: ApplicationFiled: February 27, 2020Publication date: September 10, 2020Inventors: Yoshikazu HAYAKAWA, Tomoyuki Murayama, Hirotaka Eshima, Takahiro Futatsumori