Patents Assigned to PROTERIAL, LTD.
  • Publication number: 20260264132
    Abstract: A wire straightening device, including a straightening unit that performs straightening on a wire running in a longitudinal direction, an upstream measuring unit that measures a state of the wire at an upstream position from the straightening unit, and a controller that controls an operation of the straightening unit based on a measurement result of the upstream measuring unit, wherein the straightening unit includes a plurality of straightening rollers that contact the wire and perform straightening on the wire, an actuator that presses the straightening rollers toward the wire, and a load adjustment unit that adjusts a roller load applied from the actuator to the straightening rollers, and wherein the controller determines an open resistance pattern, which is a pattern of change in a roller load when the plurality of straightening rollers is pushed back by the wire, based on the measurement result of the upstream measuring unit.
    Type: Application
    Filed: February 18, 2026
    Publication date: September 10, 2026
    Applicant: Proterial, Ltd.
    Inventors: Hideyuki SUZUKI, Akira SETOGAWA, Masanori SUZUKI, Kazuya JINUSHI, Aika SHIMIZU
  • Patent number: 12732053
    Abstract: A three-phase coil structure (30) having a two-phase coil set (32) including a plurality of rectangular air-core coils arranged side by side so as to be adjacent to each other in the same plane includes a one-phase coil set (31) including two air-core coils having different sizes and bending angles bent at both ends and disposed to straddle adjacent long sides of the two-phase coil set (32), wherein a number of turns of each of the air-core coils of the one-phase coil set (31) is larger than a number of turns of each of the air-core coils of the two-phase coil set (32).
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: September 8, 2026
    Assignees: Proterial, Ltd., Yamaha Robotics Co., Ltd.
    Inventors: Osamu Kakutani, Seiki Takedomi, Tatsuya Nakano, Minoru Yoshida
  • Publication number: 20260257937
    Abstract: Provided are a method for manufacturing a positive-electrode active material for a lithium-ion secondary battery that has excellent electrochemical characteristics and makes it possible to reduce the amount of greenhouse gases (GHGs) discharged, a precursor used in the aforementioned method, and a method for manufacturing the precursor. The present invention is a method for manufacturing a precursor of a positive-electrode active material for a lithium-ion secondary battery, the method having an oxidation step for mixing together a metal nickel powder and a lithium-containing compound, and then oxidizing the metal nickel powder after the mixing, the oxidation step resulting in formation of a precursor including nickel oxide having an oxidation rate of 10-70%, the oxidation rate indicating the proportion of the amount of oxidized nickel to the entire amount of Ni contained.
    Type: Application
    Filed: September 21, 2023
    Publication date: September 3, 2026
    Applicant: Proterial, Ltd.
    Inventors: Takashi Nakabayashi, Hisato Tokoro, Shuichi Takano
  • Patent number: 12722700
    Abstract: A position detection device, configured to detect a position of a shaft that moves forward and backward in an axial direction, is provided with an excitation coil that generates an alternating magnetic field; a target which is fixed to the shaft and in which a magnetic flux of the alternating magnetic field is interlinked; and a detection coil in which the magnetic flux of the alternating magnetic field is interlinked, wherein the detection coil has a first portion and a second portion, where an induced voltage is generated by the magnetic flux of the alternating magnetic field being interlinked, and a connecting path connecting the first portion and the second portion. The first portion and the second portion respectively extend along the axial direction and the coil longitudinal direction parallel to the axial direction and at least a portion of each is aligned in an alignment direction perpendicular to the axial direction.
    Type: Grant
    Filed: April 23, 2024
    Date of Patent: September 1, 2026
    Assignee: Proterial, Ltd.
    Inventors: Yohei Shirakawa, Yoshiaki Yanagisawa, Yuta Sugiyama, Naoki Futakuchi
  • Patent number: 12723297
    Abstract: A hot work tool steel or hot work tool contains, in mass %, 0.25 to 0.45% of C, 0.1 to 0.4% of Si, 0.5 to 0.9% of Mn, 0.2 to 0.6% of Ni, 4.9 to 5.5% of Cr, 1.9 to 2.3% of Mo or 1/2W by itself or 1.9 to 2.3% of (Mo+1/2W) in combination, 0.6 to 0.9% of V, and a balance of Fe and impurities, and value A and value B calculated by the following Formula 1 and Formula 2 satisfy that value A is 6.00 or more and value B is 1.00 or less. Value ? A = - 0.7 ? ( % ? Si ) + 1.5 ( % ? Mn ) + 1.3 ( % ? Ni ) + 0.9 ( % ? Cr ) + 0.6 ( % ? ( Mo + 1 / 2 ? W ) ) + 0.3 ( % ? V ) Formula ? 1 Value ? B = 1.9 ( % ? C ) + 0.043 ( % ? Si ) + 0.12 ( % ? Mn ) + 0.09 ( % ? Ni ) + 0.042 ( % ? Cr ) + 0.03 ( % ? ( Mo ) + 1 / 2 ? W ) ) - 0.
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: September 1, 2026
    Assignee: Proterial, Ltd.
    Inventors: Yousuke Nakano, Shiho Fukumoto, Kouta Kataoka
  • Patent number: 12727219
    Abstract: A new substrate manufacturing method of obtaining a SiC epitaxial substrate having excellent flatness and a SiC epitaxial substrate having excellent flatness are provided. In a Sic epitaxial substrate having an epitaxial film obtained by epitaxially growing silicon carbide on a front surface of a silicon carbide substrate, the SiC epitaxial substrate has a first main surface made of the epitaxial film and a second main surface opposite to the first main surface. A maximum value of SBIR on the second main surface based on a 10 mm square site satisfies a condition of 0.1 ?m or more and 1.5 ?m or less.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: September 1, 2026
    Assignee: PROTERIAL, LTD.
    Inventors: Sadahiko Kondo, Junya Ikeda
  • Patent number: 12726094
    Abstract: A wiring component is provided with a plurality of electric wires, and a holding portion that batch holds respective portions of the plurality of electric wires. The holding portion includes a holder that supports the plurality of electric wires in a predetermined positional relationship, and a resin mold portion composed of resin molded to cover the holder and the respective portions of the plurality of electric wires. The holder includes a substrate portion and a plurality of wire-holding portions formed protruding from the substrate portion. The plurality of electric wires are supported by the plurality of wire-holding portions, respectively. A notch or a through-hole is formed in the substrate portion corresponding to a portion into which molten resin is injected when forming the resin mold portion.
    Type: Grant
    Filed: September 22, 2023
    Date of Patent: September 1, 2026
    Assignee: Proterial, Ltd.
    Inventors: Jun Umetsu, Noriyuki Takahashi
  • Publication number: 20260254135
    Abstract: A communication cable terminal connection structure to connect a terminal of a communication cable to a substrate, wherein the communication cable includes a pair of conductors arranged in parallel and an insulator covering a periphery of the pair of conductors collectively, wherein the substrate has signal electrodes to which the conductors are electrically connected, wherein the communication cable has conductor exposed portions exposing the pair of conductors to a predetermined length from an end of the insulator, wherein the conductors at the conductor exposed portions have connection portions, each connection portion being shaped to have a width in an arrangement direction of the pair of conductors smaller than a height in a direction perpendicular to both the arrangement direction and a longitudinal direction of the conductors, wherein a spacing between the connection portions is greater than a spacing between the pair of conductors in a covered portion where the conductors are covered by the insulator,
    Type: Application
    Filed: February 12, 2026
    Publication date: August 27, 2026
    Applicant: Proterial, Ltd.
    Inventors: Hideyuki SAGAWA, Detian HUANG, Takahiro SUGIYAMA
  • Patent number: 12718971
    Abstract: A cable connection structure is provided with a cable having a plurality of electric wires including core wires made of metal conductors coated with insulators, respectively, and a sheath covering the plurality of electric wires, and an electronic component including a plurality of electrodes. In the cable, the core wires and the insulators of the plurality of electric wires and the sheath are collectively cut perpendicularly to a longitudinal direction at an end of the cable, and tip portions of the core wires including cutting edges of the core wires of the plurality of electric wires are soldered to the plurality of electrodes, respectively.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: August 25, 2026
    Assignee: Proterial, Ltd.
    Inventors: Yuki Yamamoto, Koki Hirano
  • Publication number: 20260242916
    Abstract: A method for manufacturing Fe—Co based alloy substrate includes: a cold rolling step of performing cold rolling on a cold rolling material of an Fe—Co based alloy to obtain a cold rolled material having a thickness of 0.5 mm or less, and a step of performing magnetic annealing on the cold rolled material under conditions of a vacuum degree of 0.001 to 0.05 Pa, a heating temperature of 750 to 900° C., and a heating and holding time of 1 to 5 h.
    Type: Application
    Filed: February 28, 2024
    Publication date: August 20, 2026
    Applicant: Proterial, Ltd.
    Inventor: Yoshiyuki Fujihara
  • Publication number: 20260242901
    Abstract: An alloy member and a product using the same are provided. The alloy member includes elements Co, Cr, Fe, Ni, and Ti each in a range of 5 atom % or more to 35 atom % or less, Mo in a range exceeding 0 atom % and 8 atom % or less, and unavoidable impurities as a remainder. The alloy member includes a microcell structure with an average particle diameter of 10 ?m or less at least in crystal grains of a surface layer part. A boundary part of the microcell structure has a dislocation having a surface density higher than that inside the microcell structure. Ultrafine particles having an average particle diameter of 50 nm or less are dispersed and precipitate at least inside the microcell structure.
    Type: Application
    Filed: April 9, 2026
    Publication date: August 20, 2026
    Applicant: Proterial, Ltd.
    Inventors: Kousuke Kuwabara, Shuho Koseki
  • Publication number: 20260242886
    Abstract: Provided are: steel for knives, having a higher hardness and better corrosion resistance than conventional steel for knives; a knife; steel for martensitic knives; and a production method for same. The steel for knives comprises a component composition containing, in mass %, 0.55 to 0.95% C, 0.1 to 0.49% Si, 0.1%-1.5% Mn, 9.0 to 10.2% Cr, and 0.5%-3.0% of either Mo or W or a complex of both (Mo+W/2), with the remainder being Fe and unavoidable impurities.
    Type: Application
    Filed: April 15, 2026
    Publication date: August 20, 2026
    Applicant: Proterial, Ltd.
    Inventor: Kentaro FUKUMOTO
  • Patent number: 12709028
    Abstract: A cable life prediction method, includes: acquiring resistance value data indicating chronological change in a resistance value of a cable based on an operation of a managed device and an operating data, by a cable status management device, from a device user-side data management device, thereby, in the cable status management device, estimating wire-break progress in the cable based on at least one of the acquired resistance value data and the acquired operating data; and in the cable status management device, predicting a life of the cable based on a wire-break progress data and the operating data, and storing the predicted life of the cable as cable life prediction data. At least a device manufacturer terminal of a device manufacturer that manufactures the managed device or a cable manufacturer terminal of a cable manufacturer that manufactures the cable is configured to be accessible with the stored cable life prediction data.
    Type: Grant
    Filed: September 9, 2024
    Date of Patent: August 18, 2026
    Assignee: Proterial, Ltd.
    Inventors: Hideki Nonen, Izumi Fukasaku, Ayano Kato, Kei Nishimura, Takahiro Sugiyama, Noriyuki Imai, Takahiro Sato
  • Patent number: 12712575
    Abstract: A high frequency module includes a first board including a connection portion protruding from an end portion thereof, and a second board including a board through-hole penetrating the second board in a thickness direction thereof. The first board includes a connection pattern connecting a terminal pad formed on a leading end of the connection portion penetrating the board through-hole and a first line pattern forming a tri-plate line. The connection pattern has a line width increasing stepwise from the terminal pad toward the first line pattern. The second board includes a connection pad electrically connected to the terminal pad penetrating the board through-hole.
    Type: Grant
    Filed: September 18, 2023
    Date of Patent: August 18, 2026
    Assignee: Proterial, Ltd.
    Inventors: Satoshi Nakayama, Nobuaki Kitano
  • Publication number: 20260234805
    Abstract: A method for manufacturing Fe—Co-based alloy substrate includes: a coating step of forming a liquid film by coating a magnesium hydroxide solution on a surface of an Fe—Co-based alloy substrate, and a heat treatment step of performing a heat treatment by setting a heating retention time such that the substrate after coating satisfies a temperature of 300° C. or higher and 480° C. or lower and a conditional expression (1): T×H/1000?12.5 (where T is the heating retention time [min], and H is heating temperature [° C.]), thereby forming a magnesium oxide film having a thickness of 0.4 ?m to 2.0 ?m on the surface of the Fe—Co-based alloy substrate.
    Type: Application
    Filed: June 16, 2023
    Publication date: August 13, 2026
    Applicant: Proterial, Ltd.
    Inventor: Yoshiyuki Fujihara
  • Patent number: 12703888
    Abstract: A method for manufacturing an austenitic stainless steel strip comprises: hot-rolling a material having a component composition containing, in % by mass, more than 20.0% and 30.0% or less of Ni, more than 15.0% and 18.0% or less of Cr, 1.0 to 2.0% of Mo, 3.5% or more and less than 5.0% of Al, more than 1.0% and 2.0% or less of Nb+Ta, 0.3% or less of Ti+V, 1.0% or less of Si, 2.0% or less of Mn, 0.01 to 0.3% of Zr, 0.005 to 0.045% of C, 0.001 to 0.03% of B, and also containing at least one element selected from Y, La, Ce and Hf in an amount such that the content of Y+La+Ce+Hf+Zr can become 0.01 to 0.5% with the remainder comprising Fe and unavoidable impurities; cold-rolling the strip; and heating the strip, then maintaining the strip at that temperature, and rapid-cooling the strip.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: August 11, 2026
    Assignee: Proterial, Ltd.
    Inventors: Shogo Momono, Shinichiro Fukada, Toshihiro Uehara
  • Publication number: 20260219026
    Abstract: An instrument sensor device for detecting a rotational position of a pointer of an instrument, including a scale plate provided with scale markings, a transparent cover covering the scale plate, and the pointer arranged between the scale plate and the transparent cover and rotatable about a rotation axis within a predetermined angular range, is configured to be mounted on the transparent cover of the instrument and provided with a transparent sheet-like base material; and a plurality of coils formed of a wiring pattern provided on the base material, wherein the plurality of coils includes an excitation coil that generates an alternating magnetic field and a detection coil in which voltage is induced by the alternating magnetic field, and wherein a magnitude of an induced voltage in the detection coil varies according to the rotational position of the pointer.
    Type: Application
    Filed: January 27, 2026
    Publication date: July 30, 2026
    Applicant: Proterial, Ltd.
    Inventors: Yohei SHIRAKAWA, Takahiro SUGIYAMA, Yoshiaki YANAGISAWA
  • Patent number: 12695016
    Abstract: A multilayer magnetic sheet comprises ten or more layers of magnetic strips each formed in a band shape with a short side and a long side. The magnetic strips are aligned and arranged in a plate shape in each of the layers such that the long sides of the magnetic strips are adjacent to each other. The layers comprise first layers, in which the long sides of the adjacent magnetic strips overlap, and second layers, in which the long sides of the adjacent magnetic strips do not overlap. The first layers comprise at least two stacked layers. A position of the long side in one layer included in the second layers is separated from a position of the long side in another layer included in the second layers by 0.5 mm or more in a direction in which the short side extends.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: July 28, 2026
    Assignee: Proterial, Ltd.
    Inventors: Yasuo Kuriyama, Kouhei Miyano, Yuichi Ogawa
  • Patent number: 12693347
    Abstract: A disconnection detection device that detects strand disconnection in a plurality of insulated wires each of which includes a conductor including a plurality of strands is provided with a branch portion including a common conducting path and a plurality of branched conducting paths branching out from an end portion of the common conducting path, each of the branched conducting paths being electrically connected, at an end portion, to one end of the conductor of the corresponding insulated wire, a current ratio detection unit capable of detecting a ratio of currents flowing through the plurality of branched conducting paths, and a disconnection detection processing unit that detects the strand disconnection in the plurality of insulated wires based on a detection result of the current ratio detection unit.
    Type: Grant
    Filed: August 13, 2024
    Date of Patent: July 28, 2026
    Assignee: Proterial, Ltd.
    Inventors: Katsutoshi Nakatani, Izumi Fukasaku, Takahiro Sugiyama
  • Patent number: 12695004
    Abstract: A laminate structure includes a first layer as a substrate and a second layer provided on the first layer. The second layer is composed of a rubber composition including a rubber component, first fine particles for providing a surface with irregularity, and second fine particles for shielding UV-C light. When performing Raman mapping analysis on a first peak derived from oscillation of the second fine particles in Raman scattering spectrum obtained by Raman scattering measurement of the second layer, the second layer includes a region where an intensity of the first peak is greater in an area where the first fine particles are not present than an area where the first fine particles are present.
    Type: Grant
    Filed: April 25, 2024
    Date of Patent: July 28, 2026
    Assignee: Proterial, Ltd.
    Inventors: Seiichi Kashimura, Kazufumi Suenaga, Tamotsu Kibe, Kanako Suganuma