Patents Assigned to PROTERIAL, LTD.
  • Patent number: 11987188
    Abstract: 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: Grant
    Filed: June 8, 2021
    Date of Patent: May 21, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Yoshikazu Hayakawa, Hirotaka Eshima
  • Publication number: 20240158260
    Abstract: A method for manufacturing a positive electrode active material for a lithium-ion secondary battery, the method including: a step for firing mixed powder in which metal nickel powder, a compound containing Li, and a compound containing a metal element M other than Li and Ni are mixed to yield a positive electrode active material for a lithium-ion secondary battery, the positive electrode active material having a layered structure, wherein the amount of Ni in the total amount of metal elements contained in the positive electrode active material for a lithium-ion secondary battery is equal to or greater than 60% in terms of the atomic ratio, and the nickel powder is at least partially oxidized or a step for oxidizing said powder is included.
    Type: Application
    Filed: March 17, 2022
    Publication date: May 16, 2024
    Applicant: Proterial, Ltd.
    Inventors: Takashi Nakabayashi, Hisato Tokoro, Shuichi Takano
  • Publication number: 20240157440
    Abstract: The present invention provides a composite member, a product, and a method for producing a composite member that make it possible to efficiently improve properties of a member against a load that is not uniform. Provided is a composite member comprising a base material that is made of an alloy, and two or more enhanced-property sections that each include an alloy of a different composition from that of the base material and are disposed so as to be continuous with and integrated with the base material.
    Type: Application
    Filed: March 23, 2022
    Publication date: May 16, 2024
    Applicant: Proterial, Ltd.
    Inventors: Shuho KOSEKI, Hiroki SUGAWARA
  • Patent number: 11980964
    Abstract: A member includes a first metallic region made of a first material; a second metallic region made of a second material that is a different from the first material; and a mix region made of mixture of the first and second materials between the first and second metallic region. In a cross-sectional view, an interface between the first metallic region and the mix region is represented by a line having a first curved line protruding toward the first metallic region and a second curved line protruding toward the first metallic region, and an angle at a cross point of the first and second curved lines, the angle being made by a tangent line of the first curved line and a tangent line of the second curved line in a region of the first metallic region, is equal to or larger than 70 degrees and smaller than 180 degrees.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: May 14, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Kenichiro Kunitomo, Shuho Koseki, Hiroshi Shiratori, Hirotsugu Kawanaka
  • Patent number: 11981107
    Abstract: The method is for manufacturing a clad material (30), which includes: clad rolling for rolling and bonding a first metal plate (131) made of stainless steel, a second metal plate (132) made of Cu or a Cu alloy, and a third metal plate (133) made of stainless steel in a state in which the first metal plate, the second metal plate, and the third metal plate are stacked in this order. The clad rolling is performed with a pressure-bonding load of 4.4×103 N/mm or more. The second layer is made of Cu or a Cu alloy. The third layer is made of stainless steel. The clad material has an overall thickness of 1 mm or less.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: May 14, 2024
    Assignee: PROTERIAL, LTD.
    Inventor: Shinji Yamamoto
  • Patent number: 11976350
    Abstract: A covering member has a hard film on the surface of a base material, wherein the hard film comprises a layer A selected from a nitride, a carbonitride, an oxynitride, and an oxycarbonitride of Cr or CrM; a metal layer which is formed on the outer surface side of the A layer and includes Cr, Ti, or W; and a layer B which is formed on the outer surface side of the metal layer and selected from a nitride, a carbonitride, an oxynitride, and an oxycarbonitride of Cr or CrM, and wherein M is one or two or more from a Group 4 metal, a Group 5 metal, a Group 6 metal of the periodic table, Al, Si, and B, and strain is introduced in the outer surface side of the metal layer.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: May 7, 2024
    Assignee: Proterial, Ltd.
    Inventors: Shuho Koseki, Daiki Shinno
  • Patent number: 11975377
    Abstract: A punching method with a favorable punchability with respect to amorphous metal thin ribbons, an amorphous metal thin strip produced by the method, and a laminated core, are provided. The amorphous metal thin strip has a thickness of from more than 30 ?m to 50 ?m, and a side configured by a punched surface on which at least a shear droop, a shearing surface, and a fractured surface are observed, the width of the shear droop relative to the thickness of the metal thin strip being 30% or less at the side.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: May 7, 2024
    Assignee: PROTERIAL, LTD.
    Inventor: Motoki Ohta
  • Patent number: 11970587
    Abstract: A covering material includes: a resin component containing at least one of a crosslinkable resin having photo crosslinkability and thermal crosslinkability and a crosslinkable monomer having photo crosslinkability and thermal crosslinkability; a photoinitiator; and a thermal initiator. A cable includes a core and the covering material that covers the core. A method of manufacturing a cable includes covering a core with a covering material and crosslinking the covering material, wherein the covering material includes: a resin component containing at least one of a crosslinkable resin having photo crosslinkability and thermal crosslinkability and a crosslinkable monomer having photo crosslinkability and thermal crosslinkability; a photoinitiator; and a thermal initiator.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: April 30, 2024
    Assignee: Proterial, Ltd.
    Inventors: Hideyuki Suzuki, Sohei Kodama
  • Patent number: 11963448
    Abstract: When a size is increased for mass production, an area of a pressurized surface is increased. This raised a problem in that insufficient load or the like causes a pressure during pressure sintering and a relative density of a thermoelectric conversion element to be likely to become insufficient. As a solution, there is provided a method for producing a thermoelectric conversion element, including: a step of mixing a skutterudite-type thermoelectric conversion material powder containing Sb and a sintering agent containing a compound including Mn and Sb, to obtain a mixture; and a step of sintering the mixture.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: April 16, 2024
    Assignee: Proterial, Ltd.
    Inventors: Michiko Matsuda, Takeshi Shimada
  • Patent number: 11959568
    Abstract: A retainer allows reduction in a length in a direction of insertion of a flexible pipe and capable of being engaged with the flexible pipe without requiring motions of other members. The retainer is a retainer having a shape of a ring and used in a pipe joint, including: a plurality of pawls for getting into a valley of a corrugated pipe of a flexible pipe to be inserted into the pipe joint; a plurality of supports for contacting an inner surface of a pipe joint body housing the retainer in the pipe joint, the supports being continuous with corresponding ones of the pawls as viewed in a direction of a center axis of the ring of the retainer; and a connector connecting the pawls and the supports in a plurality of combinations continuous with each other. The connector is more elastically deformable than the pawls and the supports.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 16, 2024
    Assignee: Proterial, Ltd.
    Inventor: Shindo Sakata
  • Patent number: 11958101
    Abstract: A method for manufacturing a forged article, capable of improving the durability of a die for forging is provided. The method, includes forging a steel material, by using a die, by spraying or applying a water-soluble polymer lubricant containing 0.01 to 0.98 mass % of a water-soluble sulfate onto a working surface of the die, the die being made of a raw material having a constituent composition of by mass %, of 0.4 to 0.7% of C, 1.0% or less of Si, 1.0% or less of Mn, 4.0 to 6.0% of Cr, 2.0 to 4.0% of (Mo+½W), 0.5 to 2.5% of (V+Nb), 0 to 1.0% of Ni, 0 to 5.0% of Co, 0.02% or less of N, and a remnant composed of Fe and impurities, and having hardness of 55 to 60 HRC, and the die including a nitrided layer or a nitrosulfidized layer on the working surface thereof.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: April 16, 2024
    Assignees: PROTERIAL, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, DAIDO CHEMICAL CO., LTD., UMETOKU CO., LTD
    Inventors: Tatsuya Shouji, Shuho Koseki, Kenichi Inoue, Katsuhiro Obata, Satoshi Murakami, Naoki Hayashi, Yoshikazu Suzuki, Toshifumi Miyamoto, Toru Otomo, Nobuhiro Ikeda, Kousuke Uda, Takashi Ogisu
  • Patent number: 11952651
    Abstract: An Fe-based amorphous alloy ribbon reduced in iron loss, less deformed, and highly productive in a condition of a magnetic flux density of 1.45 T is provided. One aspect of the present disclosure provides an Fe-based amorphous alloy ribbon having first and second surfaces, and is provided with continuous linear laser irradiation marks on at least the first surface. Each linear laser irradiation mark is formed along a direction orthogonal to a casting direction of the Fe-based amorphous alloy ribbon, and has unevenness on its surface. When the unevenness is evaluated in the casting direction, a height difference HL×width WA calculated from the height difference between a highest point and a lowest point in a thickness direction of the Fe-based amorphous alloy ribbon and the width WA which is a length of the linear irradiation mark on the first surface is 6.0 to 180 ?m2.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: April 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Hajime Itagaki, Morifumi Kuroki, Makoto Sasaki, Shin Nakajima
  • Patent number: 11955259
    Abstract: A heat detection line includes a twisted pair wire composed of a pair of heat detecting wires being twisted together. Each heat detecting wire includes a conductor and an insulator covering a periphery of the conductor. The conductor is non-magnetic and composed of a copper alloy with a tensile strength of 900 MPa or more. A multi-core cable includes the heat detection line, a plurality of electric wires, and a sheath covering the heat detection line and the plurality of electric wires together. A melting point of the insulator of the heat detection line is lower than a melting point of an insulator of each of the plurality of electric wires.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: April 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Masashi Moriyama, Yoshinori Tsukamoto, Detian Huang
  • Patent number: 11955740
    Abstract: An electric wire connection structure is composed of insulated electric wires each including a core and an insulation coating covering the core. The cores of the insulated electric wires are connected to pads provided on a substrate. The insulated electric wires are arranged along a predetermined alignment direction and arranged parallel to each other. The insulation coating is removed at a part in a longitudinal direction of each of the insulated electric wires to expose the core. Exposed portions of the cores are connected to the pads, respectively. Some of the insulated electric wires are configured in such a manner that the core is exposed in an area where the insulation coatings of adjacent ones of the other insulated electric wires in the alignment direction are not removed.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: April 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventor: Ryuta Takahashi
  • Patent number: 11955205
    Abstract: A high-temperature bimetal capable of being inhibited from considerably shifting from an original position when the temperature has fallen to an ordinary temperature is provided. This high-temperature bimetal (1) includes a high thermal expansion layer (2) made of austenitic stainless steel and a low thermal expansion layer (3) made of a thermosensitive magnetic metal having a Curie point and bonded to the high thermal expansion layer. The high-temperature bimetal is employed over both a high temperature range of not less than the Curie point and a low temperature range of less than the Curie point, while an upper limit of operating temperatures in the high temperature range of not less than the Curie point is at least 500° C.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: April 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Yoshimitsu Oda, Masaaki Ishio
  • Patent number: 11951434
    Abstract: A ceramic honeycomb filter has (a) cross section areas of intake flow paths being larger than those of discharge flow paths; (b) the intake and discharge flow paths having octagonal cross section shapes with four-fold rotation symmetry each obtained by cutting off four corners from a square; (c) the intake and discharge flow paths being alternately arranged in a first direction and a second direction perpendicular to the first direction, such that their opposing sides are parallel; (d) the opening ratio of the intake flow paths being 45-60%; (e) the number of the flow paths per cm2 being 30-60; (f) the thickness t1 of a cell wall between an intake flow path and a discharge flow path adjacent to that intake flow path being 0.150-0.260 mm; and (g) the thickness t2 of a cell wall between adjacent intake flow paths meeting 1.175<t2/t1<1.6.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: April 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventor: Tomohisa Ogata
  • Patent number: 11955256
    Abstract: A signal transmission cable is provided with a conductor, an insulator covering around the conductor, a shield layer covering around the insulator, a sheath covering around the shield layer, and a plating base layer is provided between the insulator and the shield layer to cover around the insulator. The shield layer has a plating layer provided to cover the plating base layer to be in contact with an outer peripheral surface of the plating base layer. A surface roughness of an outer peripheral surface of the plating layer is less than a surface roughness of an inner peripheral surface of the plating layer.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: April 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Hideyuki Sagawa, Detian Huang, Takahiro Sugiyama, Hideki Nonen, Masashi Arai, Hiroshi Ishikawa, Xinweilong Li
  • Patent number: 11955252
    Abstract: A cable is composed of a cable core including one or more electric wires, a shield layer covering around the cable core, and a sheath covering around the shield layer. The shield layer includes a braided shield braided in such a manner that first metal wires composed of aluminum or an aluminum alloy intersect with second metal wires composed of copper or a copper alloy. An outer diameter of each of the second metal wires is larger than an outer diameter of each of the first metal wires.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: April 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Detian Huang, Masanori Kobayashi, Masashi Moriyama, Kazuhiro Aida
  • Publication number: 20240109123
    Abstract: The present invention provides an alloy, an alloy powder, an alloy member, and a composite member which are excellent in corrosion resistance and wear resistance, have crack resistance, and are suitable for an additive manufacturing method and the like. An alloy and an alloy powder include, by mass %, Cr: 18 to 22%, Mo: 18 to 28%, Ta: 1.5 to 57%, C: 1.0 to 2.5%, Nb: 0 to 42%, Ti: 0 to 15%, V: 0 to 27%, Zr: 0 to 29%, and a remainder consisting of Ni and unavoidable impurities, where a molar ratio of (Ta+0.7Nb+Ti+0.6V+Zr)/C=0.5 to 1.5 is satisfied. An alloy member is an additively manufactured product or a cast having such a solidification structure, and the solidification structure is a dendrite-like crystal structure having a metal phase having a face-centered cubic structure and carbides.
    Type: Application
    Filed: December 8, 2023
    Publication date: April 4, 2024
    Applicant: Proterial, Ltd.
    Inventors: Hiroshi Shiratori, Kazuya Shinagawa, Kousuke Kuwabara, Shuho Koseki
  • Publication number: 20240112854
    Abstract: A method for recycling a rare earth element-containing powder, including: disintegrating a molded body for a rare earth sintered magnet including a rare earth element-containing powder in oil such that a 149 mesh-pass, 500 mesh-on powder is included; and separating and collecting a 149 mesh-pass powder obtained after the disintegrating to obtain a recycles powder.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 4, 2024
    Applicant: PROTERIAL, LTD.
    Inventors: Takahiro YOMOGITA, Futoshi KUNIYOSHI