Patents by Inventor Satoru Yoshinaga
Satoru Yoshinaga 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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ALUMINUM BASE COMPOSITE MATERIAL, METHOD OF MANUFACTURING THE SAME, AND ELECTRICAL CONNECTION MEMBER
Publication number: 20230097510Abstract: An aluminum base composite material contains an aluminum polycrystal body being a polycrystal body of a plurality of aluminum base material phases partitioned by a grain boundary, a carbon nanotube part being formed of a carbon nanotube or an aggregate thereof and being dispersed in at least one aluminum base material phase, and an alumina part being formed of alumina and being dispersed in at least one aluminum base material phase. The carbon nanotube preferably has a sphere-equivalent diameter from 10 nm to 300 nm, and the number of the carbon nanotube part that is present in a cross-sectional area of 200 ?m2 of the aluminum base composite material is preferably one or more.Type: ApplicationFiled: September 28, 2022Publication date: March 30, 2023Inventors: Hayato IKEYA, Kazuhiro OHGUSHI, Shinobu KAYAMA, Satoru YOSHINAGA -
Patent number: 11607729Abstract: An aluminum-based composite material includes a plurality of coarse crystalline grains (3) of pure aluminum, and a plurality of fine crystalline grains (4) each having an aluminum matrix (1), and a dispersion material (2) dispersed inside the aluminum matrix and formed by reacting a portion or all of an additive with aluminum in the aluminum matrix. The fine crystalline grains exist among the coarse crystalline grains, and the fine crystalline grains have crystalline grain diameters smaller than crystalline grain diameters of the coarse crystalline grains.Type: GrantFiled: March 26, 2021Date of Patent: March 21, 2023Assignee: YAZAKI CORPORATIONInventors: Katsuyoshi Kondoh, Yasufumi Otsuka, Satoru Yoshinaga
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Publication number: 20220278517Abstract: A fastening structure includes a fastening member including a bolt and a plurality of fastened members that are fastened and fixed to the fastening member. Further, the bolt contains pure aluminum or an aluminum alloy. At least one fastened member of the plurality of fastened members contains pure aluminum or an aluminum alloy. Pure aluminum or an aluminum alloy of a screw portion of the bolt is brought into direct contact with pure aluminum or an aluminum alloy of at least one fastened member.Type: ApplicationFiled: February 24, 2022Publication date: September 1, 2022Applicant: Yazaki CorporationInventors: Hayato IKEYA, Rie NAKABAYASHI, Kazushige TAJIMA, Satoru YOSHINAGA
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Publication number: 20220068524Abstract: A compressed stranded conductor includes a central stranded wire having a plurality of conductive strands which are twisted together and an outer circumferential stranded wire having a plurality of conductive strands which are twisted together at an outer circumference of the central stranded wire. A composite stranded wire configured by the central stranded wire and the outer circumferential stranded wire is compressed, and an occupancy ratio of the composite stranded wire is 90.2% or more and 91.0% or less.Type: ApplicationFiled: August 27, 2021Publication date: March 3, 2022Inventors: Shuntaro Arai, Daigo Matsuura, Satoru Yoshinaga, Tomomi Hirota
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Patent number: 11248279Abstract: An aluminum-based composite material includes an aluminum parent phase, and stick-shaped or needle-shaped dispersive matter of aluminum carbide dispersed in the aluminum parent phase. A method of manufacturing the aluminum-based composite material includes a step of mixing aluminum powder having a purity of 99% by mass or higher with a stick-shaped or needle-shaped carbon material, and pressing and molding a resulting mixture, so as to prepare a compacted powder body. The manufacturing method further includes a step of heating the compacted powder body at 600C to 660C to react the carbon material with aluminum in the aluminum powder, so as to disperse the stick-shaped or needle-shaped dispersive matter of aluminum carbide in the aluminum parent phase.Type: GrantFiled: November 4, 2016Date of Patent: February 15, 2022Assignee: YAZAKI CORPORATIONInventors: Yasufumi Otsuka, Satoru Yoshinaga
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Patent number: 11075020Abstract: An aluminum based composite material includes an aluminum parent phase and dispersions dispersed in the aluminum parent phase and formed such that a portion or all of additives react with aluminum in the aluminum parent phase, an average particle diameter of the dispersions is 20 nm or less, a content of the dispersions is 0.25% by mass or more and 0.72% by mass or less in terms of carbon amount, and an interval between the dispersions adjacent to each other is 210 nm or less.Type: GrantFiled: October 18, 2018Date of Patent: July 27, 2021Assignee: YAZAKI CORPORATIONInventors: Yasufumi Otsuka, Satoru Yoshinaga
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Publication number: 20210213527Abstract: An aluminum-based composite material includes a plurality of coarse crystalline grains (3) of pure aluminum, and a plurality of fine crystalline grains (4) each having an aluminum matrix (1), and a dispersion material (2) dispersed inside the aluminum matrix and formed by reacting a portion or all of an additive with aluminum in the aluminum matrix. The fine crystalline grains exist among the coarse crystalline grains, and the fine crystalline grains have crystalline grain diameters smaller than crystalline grain diameters of the coarse crystalline grains.Type: ApplicationFiled: March 26, 2021Publication date: July 15, 2021Inventors: Katsuyoshi Kondoh, Yasufumi OTSUKA, Satoru YOSHINAGA
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Patent number: 10633756Abstract: A plated fiber that is obtained by applying a metal plating onto a fiber having an elongation percentage which is more than or equal to 1% and less than or equal to 10%. An elongation percentage of the metal plating is higher than the elongation percentage of the fiber. A carbon fiber wherein the surface oxygen amount as a value obtained by dividing an O1S peak intensity measured by X-ray photoelectron spectroscopy by a C1S peak intensity measured by the spectroscopy is more than or equal to 0.097 and less than or equal to 0.138.Type: GrantFiled: March 30, 2016Date of Patent: April 28, 2020Assignee: YAZAKI CORPORATIONInventors: Hiroki Kondo, Satoru Yoshinaga, Yusuke Yoshikawa
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Publication number: 20190122783Abstract: An aluminum based composite material includes an aluminum parent phase and dispersions dispersed in the aluminum parent phase and formed such that a portion or all of additives react with aluminum in the aluminum parent phase, an average particle diameter of the dispersions is 20 nm or less, a content of the dispersions is 0.25% by mass or more and 0.72% by mass or less in terms of carbon amount, and an interval between the dispersions adjacent to each other is 210 nm or less.Type: ApplicationFiled: October 18, 2018Publication date: April 25, 2019Applicant: Yazaki CorporationInventors: Yasufumi OTSUKA, Satoru YOSHINAGA
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Patent number: 10207659Abstract: A flex-resistant shielded composite cable includes a plurality of electric wires, a shielding layer and a tubular sheath. Each of the electric wires includes a conductor part which is composed of a twisted wire, which is formed by twisting a plurality of strands having a diameter of 0.05 mm or more and 0.12 mm or less, a nominal sectional area of the conductor being 8 sq or more, a covering part covering the conductor part. The shielding layer is formed of a braid formed by braiding plated fiber formed by performing metal-plating on anti-tension fiber and covers outer periphery of the plurality of electric wires. The tubular sheath is provided on the outer periphery of the shielding layer and made of an insulating resin.Type: GrantFiled: June 6, 2017Date of Patent: February 19, 2019Assignee: YAZAKI CORPORATIONInventors: Kazuhiro Ohgushi, Satoru Yoshinaga
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Patent number: 10181707Abstract: Provided is a electroconductive resin body formed of fiber-reinforced resin including resin and a plurality of fiber strings formed of at least one selected from carbon fiber, high-strength fiber and glass fiber, the resin impregnating between the fiber strings, wherein the fiber strings are metal-plated. In the vehicle grounding structure, while the electroconductive resin body is used as a vehicle body, the minus terminals of vehicle-mounted devices VD and of a vehicle battery B are electrically connected to locations in the electroconductive resin body that have the metal-plated fiber strings arranged therein.Type: GrantFiled: August 22, 2016Date of Patent: January 15, 2019Assignee: YAZAKI CORPORATIONInventors: Hiroki Kondo, Satoru Yoshinaga
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Publication number: 20180209060Abstract: A plated fiber that is obtained by applying a metal plating onto a fiber having an elongation percentage which is more than or equal to 1% and less than or equal to 10%. An elongation percentage of the metal plating is higher than the elongation percentage of the fiber. A carbon fiber wherein the surface oxygen amount as a value obtained by dividing an O1S peak intensity measured by X-ray photoelectron spectroscopy by a C1S peak intensity measured by the spectroscopy is more than or equal to 0.097 and less than or equal to 0.138.Type: ApplicationFiled: March 19, 2018Publication date: July 26, 2018Inventors: Hiroki Kondo, Satoru Yoshinaga, Yusuke Yoshikawa
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Patent number: 9953745Abstract: A shielded wire includes an electrical wire including a conductor portion and a covering portion, a shield braid in which electrically conductive wire members are braided, and which covers an outer circumference of the electrical wire, a tubular sheath disposed on an outer circumference of the shield braid and made of an insulating resin.Type: GrantFiled: September 5, 2017Date of Patent: April 24, 2018Assignee: YAZAKI CORPORATIONInventors: Kazuhiro Ohgushi, Satoru Yoshinaga
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Publication number: 20180068763Abstract: A shielded wire includes an electrical wire including a conductor portion and a covering portion, a shield braid in which electrically conductive wire members are braided, and which covers an outer circumference of the electrical wire, a tubular sheath disposed on an outer circumference of the shield braid and made of an insulating resin.Type: ApplicationFiled: September 5, 2017Publication date: March 8, 2018Applicant: Yazaki CorporationInventors: Kazuhiro OHGUSHI, Satoru YOSHINAGA
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Patent number: 9875827Abstract: A method for producing an insulated electric wire comprises a first step of processing a copper alloy containing a tin and inevitable impurities into a fine wire having a diameter of 0.21 mm±0.008 mm, the tin being 0.30 wt % or more and 0.39 wt % or less, a second step of annealing the fine wire obtained in the first step so as to refine the fine wire to have an extension coefficient of 10% or more and 25% or less and a tensile strength of 300 MPa or more and 400 MPa or less, and a third step of twisting the seven fine wires having undergone the second step with a twist pitch of 15 mm±6 mm.Type: GrantFiled: May 31, 2013Date of Patent: January 23, 2018Assignee: YAZAKI CORPORATIONInventors: Satoru Yoshinaga, Satoshi Yamano
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Publication number: 20170361789Abstract: A flex-resistant shielded composite cable includes a plurality of electric wires, a shielding layer and a tubular sheath. Each of the electric wires includes a conductor part which is composed of a twisted wire, which is formed by twisting a plurality of strands having a diameter of 0.05 mm or more and 0.12 mm or less, a nominal sectional area of the conductor being 8 sq or more, a covering part covering the conductor part. The shielding layer is formed of a braid formed by braiding plated fiber formed by performing metal-plating on anti-tension fiber and covers outer periphery of the plurality of electric wires. The tubular sheath is provided on the outer periphery of the shielding layer and made of an insulating resin.Type: ApplicationFiled: June 6, 2017Publication date: December 21, 2017Inventors: Kazuhiro Ohgushi, Satoru Yoshinaga
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Patent number: 9831011Abstract: A cable includes: a conductor including strands densely arranged, the strands including out most strands located at outermost parts of the conductor and inner side strand located on inner side of the outermost strands; and an insulation covering that covers the periphery of the conductor. The insulation covering is in surface contact with the outermost strands, and is provided in a manner such that gaps are provided between the insulation covering and the inner side strands. In the method for manufacturing the cable, a fluid resin having a viscosity of greater than or equal to 323.6 Pa·sec at the point of extrusion is used, and the extrusion pressure of the resin is adjusted in a manner such that the insulation covering is in surface contact with the outermost strands and such that gaps are provided between the insulation covering and the inner side strands.Type: GrantFiled: September 26, 2013Date of Patent: November 28, 2017Assignee: YAZAKI CORPORATIONInventors: Kazuhiro Ohgushi, Satoru Yoshinaga
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Patent number: 9786403Abstract: An electrical wire and an electrical wire with a terminal capable of diminishing the adjustment of a crimping height. There is provided an electrical wire 1 including a conductor part 11 that is made of a precipitation strengthened copper alloy having a cross-sectional area of 0.13 sq in the ISO 6722 standard and is compressed, wherein the conductor part 11 has a rate of elongation of 7% or more, and a tensile strength of 500 MPa or more. In addition, the electrical conductivity of the conductor part is 70% IACS or more.Type: GrantFiled: April 23, 2015Date of Patent: October 10, 2017Assignee: YAZAKI CORPORATIONInventor: Satoru Yoshinaga
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Publication number: 20170120340Abstract: An aluminum-based composite material includes a plurality of coarse crystalline grains (3) of pure aluminum, and a plurality of fine crystalline grains (4) each having an aluminum matrix (1), and a dispersion material (2) dispersed inside the aluminum matrix and formed by reacting a portion or all of an additive with aluminum in the aluminum matrix. The fine crystalline grains exist among the coarse crystalline grains, and the fine crystalline grains have crystalline grain diameters smaller than crystalline grain diameters of the coarse crystalline grains.Type: ApplicationFiled: October 27, 2016Publication date: May 4, 2017Applicant: YAZAKI CORPORATIONInventors: Katsuyoshi KONDOH, Yasufumi OTSUKA, Satoru YOSHINAGA
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Publication number: 20170108658Abstract: A multiple circuit cable includes an inside transfer body that transfers a first signal or a first power, an inside insulator that covers an outer circumference of the inside transfer body, an outside transfer body that is disposed on an outside of the inside insulator and transfers a second signal or a second power, and an outside insulator that covers an outer circumference of the outside transfer body. The outside transfer body is configured with a plurality of conductive fibers having conductivity. The outside transfer body has a thickness so that an outer shape is a flattened into a flat-shape when an external force is applied.Type: ApplicationFiled: December 29, 2016Publication date: April 20, 2017Applicant: YAZAKI CORPORATIONInventors: Hiroki KONDO, Satoru YOSHINAGA