Patents by Inventor Tatsunori HAYASHISHITA
Tatsunori HAYASHISHITA 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: 20230317315Abstract: A two-core cable includes two coated wires and a metal tape. Each of the two coated wires includes a conductor and an insulating layer that covers an outer surface of the conductor, and the metal tape is configured to collectively cover outer surfaces of the two coated wires. The metal tape has a structure in which a resin layer and a metal layer are stacked, and the resin layer is located towards the two coated wires relative to the metal layer.Type: ApplicationFiled: March 23, 2023Publication date: October 5, 2023Inventors: Jun OTSUKA, Yuko YAMAGUCHI, Yuto KOBAYASHI, Tatsunori HAYASHISHITA
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Publication number: 20190074110Abstract: A multicore cable includes a cable core formed by twisting a plurality of electric wires, a wrapping tape wrapped around the cable core, a shield member provided on an outer circumference of the wrapping tape, and a jacket coating an outer side of the shield member. The wrapping tape has a tape resin layer which has a tensile strength of 300 MPa or more and has a property of not melting or decomposing at 300° C., and the jacket is formed of fluororesin extrusion-molded for coating.Type: ApplicationFiled: August 28, 2018Publication date: March 7, 2019Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Masamichi NIWATA, Tatsunori HAYASHISHITA
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Publication number: 20180256850Abstract: A multilayered tube having a lumen, in order from an inner side in a radial direction based on the central axis of the lumen, comprises an inner layer made of a resin, a metal layer which is disposed on an outer circumference of the inner layer and has a braided or spirally wrapped structure, an outer layer which covers the inner layer and the metal layer and is made of a resin, and a coating layer which is provided on the outer layer and is made of a substance different from the outer layer. An outer diameter of the multilayered tube is 1.5 mm or less.Type: ApplicationFiled: January 31, 2018Publication date: September 13, 2018Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Tatsunori HAYASHISHITA
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Patent number: 10043599Abstract: A multi-core cable includes at least two coaxial wire pairs, each of the coaxial wire pairs including two coaxial wires being arranged side by side in contact with each other, each of the coaxial wires including a center conductor, an insulator, an outer conductor and a jacket, the outer conductor including an inner layer portion formed by thin metal wires being helically wrapped, and an outer layer portion formed by a metal resin tape being helically wrapped around the inner layer portion. A wrapping direction of the thin metal wires of the inner layer portion is opposite to a wrapping direction of the metal resin tape of the outer layer portion. An angle in the wrapping direction of the metal resin tape with respect to the wrapping direction of the thin metal wires is in a range of 30° or more but 90° or less. A cross-talk between the coaxial wire pairs is equal to or less than ?40 dB.Type: GrantFiled: April 20, 2016Date of Patent: August 7, 2018Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsunori Hayashishita, Yuuki Isoya
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Patent number: 9865374Abstract: A multi-core cable includes a plurality of coaxial wires, each coaxial wire including a center conductor whose sectional area is 0.0006 mm2 to 0.25 mm2, a wrapping tape configured to cover all of the plurality of coaxial wires, and a sheath configured to cover the wrapping tape. The sheath is configured by a resin material coated with polyparaxylylene or fluorine resin in a thickness of 0.5 ?m to 3.0 ?m.Type: GrantFiled: January 30, 2017Date of Patent: January 9, 2018Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsunori Hayashishita, Kazuhiro Sato
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Patent number: 9786417Abstract: In a multi-core cable in which a plurality of small-diameter cables are gathered and a periphery of these small-diameter cables is covered with a shield layer and a periphery of the shield layer is covered with a sheath, the shield layer is formed by braiding a plurality of twisted wires formed by twisting two or three wires, and a twist pitch of the wires is values from 20 to 50 times (both inclusive) an outside diameter of the twisted wire.Type: GrantFiled: July 31, 2014Date of Patent: October 10, 2017Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsunori Hayashishita, Yunfei Zhu
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Publication number: 20170236616Abstract: A multi-core cable includes a plurality of coaxial wires, each coaxial wire including a center conductor whose sectional area is 0.0005 mm2 to 0.0039 mm2. The multi-core cable includes a resin tape wrapped around the coaxial wires so that all of the plurality of coaxial wires are included therein, a shield layer being made of metal and covering the resin tape, and a sheath covering the shield layer and arranged at an outermost layer of the multi-core cable. The sheath is made of thermoplastic vulcanizate or tetrafluoroethylene-propylene-based fluorine containing rubber.Type: ApplicationFiled: January 26, 2017Publication date: August 17, 2017Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Tatsunori HAYASHISHITA
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Publication number: 20160314873Abstract: A multi-core cable includes at least two coaxial wire pairs, each of the coaxial wire pairs including two coaxial wires being arranged side by side in contact with each other, each of the coaxial wires including a center conductor, an insulator, an outer conductor and a jacket, the outer conductor including an inner layer portion formed by thin metal wires being helically wrapped, and an outer layer portion formed by a metal resin tape being helically wrapped around the inner layer portion. A wrapping direction of the thin metal wires of the inner layer portion is opposite to a wrapping direction of the metal resin tape of the outer layer portion. An angle in the wrapping direction of the metal resin tape with respect to the wrapping direction of the thin metal wires is in a range of 30° or more but 90° or less. A cross-talk between the coaxial wire pairs is equal to or less than ?40 dB.Type: ApplicationFiled: April 20, 2016Publication date: October 27, 2016Inventors: Tatsunori HAYASHISHITA, Yuuki ISOYA
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Patent number: 9390842Abstract: There is provided a multi-core cable including: first insulated wires; second insulated wires; coaxial wire pairs; and a sheath. The second insulated wires are smaller in diameter than the first insulated wires. The coaxial wire pairs are provided in an even number of pairs. The first insulated wires and the coaxial wire pairs are arranged close to each other on a single circle in a cross section, and the second insulated wires are disposed thereinside. The first insulated wires, the second insulated wires and the coaxial wire pairs are wholly twisted, and then, wholly covered by the sheath.Type: GrantFiled: February 21, 2014Date of Patent: July 12, 2016Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsunori Hayashishita, Yuuki Isoya
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Patent number: 9269477Abstract: One embodiment provides a multi-core cable including: at least one ground wire which is arranged in a center or its vicinity in a cross section perpendicular to a length direction of the cable; plural insulated wires arranged in a periphery of the ground wire; an overall shield layer which covers a periphery of the insulated wires; and a sheath which covers a periphery of the overall shield layer.Type: GrantFiled: June 25, 2013Date of Patent: February 23, 2016Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuhiro Sato, Masato Tanaka, Tatsunori Hayashishita
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Publication number: 20160035459Abstract: In a multi-core cable in which a plurality of small-diameter cables are gathered and a periphery of these small-diameter cables is covered with a shield layer and a periphery of the shield layer is covered with a sheath, the shield layer is formed by braiding a plurality of twisted wires formed by twisting two or three wires, and a twist pitch of the wires is values from 20 to 50 times (both inclusive) an outside diameter of the twisted wire.Type: ApplicationFiled: July 31, 2014Publication date: February 4, 2016Inventors: Tatsunori HAYASHISHITA, Yunfei ZHU
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Patent number: 9244240Abstract: A multi-core cable includes an insulated electronic wire arranged in the center of a cross-section of the cable, an insulated electronic wire arranged in proximity to the insulated electronic wire and having a diameter smaller than that of the insulated electronic wire, an even number of coaxial electronic wires arranged on the same circumference in the periphery of the insulated electronic wire and the insulated electronic wire, and a tensile strength fiber arranged in gaps between the coaxial electronic wires and the insulated electronic wire and the insulated electronic wire.Type: GrantFiled: June 21, 2013Date of Patent: January 26, 2016Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Tatsunori Hayashishita
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Patent number: 9230716Abstract: A coaxial cable includes a central conductor, a fluororesin insulation, and outer conductor and a jacket covering the outer conductor. The central conductor has three single element twisted wires. The central conductor has an outer diameter and the three single element twisted wires having a predetermined twist pitch. The fluororesin insulation covers the central conductor such that all of the twisted single element wires of the central conductor contact the fluororesin insulation. The fluororesin insulation is a non-foam insulation material. A series of voids are defined between portions of the central conductor and an inner surface of the fluororesin insulation. The outer conductor is disposed on the external periphery of the insulation. The adhesive force between the central conductor and the insulation, and a breaking strength of the central conductor have the following relationship: adhesive force?? breaking strength.Type: GrantFiled: December 9, 2014Date of Patent: January 5, 2016Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsunori Hayashishita, Hirokazu Takahashi
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Publication number: 20150096785Abstract: One embodiment provides a multicore cable in which plural coaxial cable pairs are collected. Each coaxial cable pair is formed by twisting together or arranging in parallel two coaxial cables. Each coaxial cable includes a center conductor and an insulator covering the center conductor. The center conductor is a strand of nineteen or more wires or a single wire.Type: ApplicationFiled: October 1, 2014Publication date: April 9, 2015Inventors: Tatsunori HAYASHISHITA, Yuuki ISOYA
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Publication number: 20150083457Abstract: A coaxial cable includes a central conductor, a fluororesin insulation, and outer conductor and a jacket covering the outer conductor. The central conductor has three single element twisted wires. The central conductor has an outer diameter and the three single element twisted wires having a predetermined twist pitch. The fluororesin insulation covers the central conductor such that all of the twisted single element wires of the central conductor contact the fluororesin insulation. The fluororesin insulation is a non-foam insulation material. A series of voids are defined between portions of the central conductor and an inner surface of the fluororesin insulation. The outer conductor is disposed on the external periphery of the insulation. The adhesive force between the central conductor and the insulation, and a breaking strength of the central conductor have the following relationship: adhesive force ?? breaking strength.Type: ApplicationFiled: December 9, 2014Publication date: March 26, 2015Inventors: Tatsunori HAYASHISHITA, Hirokazu TAKAHASHI
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Publication number: 20150083458Abstract: In a multi-core cable 10, plural electric wire units 12 made of stranded plural small-diameter electric wires 11 are bundled to form an electric wire assembly 14 and a shielding layer 15 made of braided a conducting wire 15a is arranged on an outer periphery of the electric wire assembly and an outside of the shielding layer is covered with a sheath 16 made of resin. In the multi-core cable 10, the conducting wire 15a of the shielding layer 15 braided is made of a copper alloy wire given silver plating, and a diameter of the wire of the conducting wire is 0.04 mm to 0.15 mm, and a conductor elongation rate of the conducting wire is 0.8% or more, and a thickness of the silver plating is set at 0.6 ?m or more.Type: ApplicationFiled: April 25, 2013Publication date: March 26, 2015Inventors: Masato Tanaka, Tatsunori Hayashishita
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Patent number: 8933330Abstract: The present invention provides a small-diameter coaxial cable in which the same electrical and mechanical characteristics as in the prior art can be maintained and costs do not increase. The coaxial cable comprises a central conductor including three twisted wires and having a cross-sectional area of 0.005 mm2 or less, a fluororesin insulation for covering the central conductor, an outer conductor disposed on the external periphery of the insulation, and a jacket for covering the outer conductor. The adhesive force between the central conductor and the insulation is one third or less the tensile strength of the central conductor. The method for manufacturing the coaxial cable comprises twisting three wires together to form a central conductor having a cross-sectional area of 0.Type: GrantFiled: February 3, 2010Date of Patent: January 13, 2015Assignee: Sumitomo Electric Industries, Ltd.Inventors: Tatsunori Hayashishita, Hirokazu Takahashi
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Publication number: 20140338969Abstract: An optical-electrical composite cable 1A includes a ribbon optical fiber 10 including a plurality of optical fibers, a tube 20 accommodating the ribbon optical fiber 10, a sheath 50 covering the tube 20, and a plurality of electric wires 60 arranged between an outer surface of the tube 20 and an inner surface of the sheath 50. A center axis line of the tube 20 and a center axis line of the sheath 50 are apart from each other. The center axis line of the sheath 50 is located inside the tube 20. The plurality of electric wires 60 is located eccentrically on an opposite side to the center axis line of the tube 20 with respect to the center axis line of the sheath 50. Such a configuration provides an optical-electrical composite cable that has an even smaller diameter.Type: ApplicationFiled: October 10, 2013Publication date: November 20, 2014Inventors: Itaru Sakabe, Yuya Homma, Tatsunori Hayashishita
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Publication number: 20140238722Abstract: One embodiment provides a multi-core cable including: first insulated wires; second insulated wires; coaxial wire pairs; and a sheath. The second insulated wires are smaller in diameter than the first insulated wires. The coaxial wire pairs are provided in an even number of pairs. The first insulated wires and the coaxial wire pairs are arranged close to each other on a single circle in a cross section, and the second insulated wires are disposed thereinside. The first insulated wires, the second insulated wires and the coaxial wire pairs are wholly twisted, and then, wholly covered by the sheath.Type: ApplicationFiled: February 21, 2014Publication date: August 28, 2014Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsunori HAYASHISHITA, Yuuki ISOYA
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Patent number: 8818153Abstract: According to the opto-electro hybrid cable of the invention, it is possible to prevent the excessive lateral pressure from being applied to the optical fibers from the electronic wires and the excessive bending or twisting from being generated. In addition, it is possible to increase the tensile strength and to prevent the excessive tension from being applied to the optical fibers, so that it is possible to keep the favorable transmission characteristics.Type: GrantFiled: June 21, 2011Date of Patent: August 26, 2014Assignee: Sumitomo Electric Industries, Ltd.Inventors: Tatsunori Hayashishita, Hirokazu Takahashi, Masamichi Niwata