Patents Assigned to The Furukawa Electric Co., Ltd.
  • IN VIVO PRESSURE MEASUREMENT DEVICE
    Publication number: 20230200658
    Abstract: An in vivo pressure measurement device includes: a light source configured to output test light; an optical fiber, to which the test light is input, at least partially including a sensor optical fiber configured to transmit the test light with a loss of 0.3 dB/m or more; and a light receiving unit configured to receive the test light transmitted through the sensor optical fiber. The in vivo pressure measurement device is configured to measure pressure in a living body acting on the sensor optical fiber based on intensity of the test light received at the light receiving unit.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., ZEON CORPORATION
    Inventors: Hideaki HASEGAWA, Hiroyuki TAMAOKA, Takashi FUJIHATA
  • FUNCTIONAL STRUCTURAL BODY AND METHOD FOR MAKING FUNCTIONAL STRUCTURAL BODY
    Publication number: 20230201814
    Abstract: To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).
    Type: Application
    Filed: February 17, 2023
    Publication date: June 29, 2023
    Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takao MASUDA, Yuta NAKASAKA, Takuya YOSHIKAWA, Sadahiro KATO, Masayuki FUKUSHIMA, Kojiro INAMORI, Hiroko TAKAHASHI, Yuichiro BANBA, Kaori SEKINE
  • OBJECT DETECTION DEVICE
    Publication number: 20230204441
    Abstract: An object detection device includes: an optical fiber at least partially including a sensor optical fiber configured to transmit light with a loss of 0.3 dB/m or more; and a light receiving unit configured to receive, from the optical fiber, the light received by the sensor optical fiber, wherein the object detection device is configured to detect an object based on an intensity of the light received by the light receiving unit.
    Type: Application
    Filed: March 3, 2023
    Publication date: June 29, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takashi FUJIHATA, Hideaki HASEGAWA, Takayori ITO, Hiroyuki TAMAOKA
  • Structured catalyst for methanol reforming, methanol reforming device, method for producing structured catalyst for methanol reforming, and method for producing at least one of olefin or aromatic hydrocarbon
    Patent number: 11684909
    Abstract: To provide a highly active structured catalyst for methanol reforming that suppresses the decline in catalytic function and has excellent catalytic function, and a methanol reforming device. A structured catalyst for methanol reforming, including: a support of a porous structure composed of a zeolite-type compound; and a catalytic substance present in the support, in which the support has channels communicating with each other, and the catalytic substance is present at least in the channels of the support.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: June 27, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
  • OPTICAL FIBER SUPPORT STRUCTURE AND SEMICONDUCTOR LASER MODULE
    Publication number: 20230198220
    Abstract: An optical fiber support structure includes: a first portion configured to support an optical fiber including a core wire and a covering surrounding the core wire, the core wire including a core and a cladding; a second portion attached to the first portion; and a relaxing portion that is connected to an end portion of the core wire and that is positioned between the first portion and the second portion, the relaxing portion having a light receiving surface configured to receive light input from a space, an area of the light receiving surface being larger than an area of the end portion of the core wire.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 22, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masaya NAKAZUMI, Satoshi SHIBUYA, Naoki HAYAMIZU, Ayato OKADA
  • Surface-treated copper foil, and copper-clad laminate and circuit board using same
    Patent number: 11680332
    Abstract: Provided is a surface-treated copper foil excellent in laser processability. The surface-treated copper foil includes a roughened surface formed by subjecting a surface to a roughening treatment, in which when measured using a three-dimensional roughness meter, the roughened surface has a surface skewness Ssk within a range of from ?0.300 to less than 0 and an arithmetic mean summit curvature Ssc within a range of from 0.0220 nm?1 to less than 0.0300 nm?1.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: June 20, 2023
    Assignees: Furukawa Electric Co., Ltd., Murata Manufacturing Co., Ltd.
    Inventors: Takahiro Tsuruta, Takeo Uno, Yuko Okuno, Sunao Fukutake, Yoshimasa Nishi
  • Structured catalyst for hydrodesulfurization, hydrodesulfurization device including the structured catalyst, and method for producing structured catalyst for hydrodesulfurization
    Patent number: 11680211
    Abstract: Provided is a structured catalyst for hydrodesulfurization that suppresses the decline in catalytic activity and achieves efficient hydrodesulfurization. The structured catalyst for hydrodesulfurization (1) includes a support (10) of a porous structure composed of a zeolite-type compound, and at least one catalytic substance (20) present in the support (10), the support (10) having channels (11) connecting with each other, and the catalytic substance (20) being present at least in the channels (11) of the support (10).
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: June 20, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
  • WAVELENGTH-VARIABLE LASER
    Publication number: 20230187906
    Abstract: An optical semiconductor device outputting a predetermined wavelength of laser light includes a quantum well active layer positioned between a p-type cladding layer and an n-type cladding layer in thickness direction. The optical semiconductor device includes a separate confinement heterostructure layer positioned between the quantum well active layer and the n-type cladding layer. The optical semiconductor device further includes an electric-field-distribution-control layer positioned between the separate confinement heterostructure layer and the n-type cladding layer and configured by at least two semiconductor layers having band gap energy greater than band gap energy of a barrier layer constituting the quantum well active layer. The optical semiconductor device is applied to a ridge-stripe type laser.
    Type: Application
    Filed: February 3, 2023
    Publication date: June 15, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Junji YOSHIDA, Hirokazu ITOH, Satoshi IRINO, Yuichiro IRIE, Taketsugu SAWAMURA
  • Semiconductor laser module
    Patent number: 11677210
    Abstract: A semiconductor laser module that includes a package accommodating therein a plurality of optical components, includes: a semiconductor laser device that emits laser light toward one end side in the package; an optical fiber having an incident end of the laser light on another end side in the package, the another end being in an opposite direction of an emission direction in which the semiconductor laser device emits the laser light; and a turn-back unit that turns back the laser light toward the another end side in the package, the another end being in the opposite direction of the emission direction in which the semiconductor laser device emits the laser light, and outputs the laser light to the incident end of the optical fiber.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: June 13, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke Inaba, Maiko Ariga, Kazuki Yamaoka
  • Cellulose-fiber dispersion polyethylene resin composite material, formed body and pellet using same, production method therefor, and recycling method for cellulose-fiber adhesion polyethylene thin film piece
    Patent number: 11667763
    Abstract: A cellulose fiber dispersion polyethylene resin composite material formed by dispersing a cellulose fiber into a polyethylene resin, in which a proportion of the above-described cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin and the cellulose fiber, and the polyethylene resin satisfies a relationship: 1.7>half-width (Log(MH/ML))>1.0 in a molecular weight pattern obtained by gel permeation chromatography measurement, and a formed body and a pellet using the same, a production method therefor, and a recycling method for the cellulose fiber adhesion polyethylene thin film piece.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: June 6, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jirou Hiroishi, Hidekazu Hara, Yuka Sawada, Masami Tazuke, Toshihiro Suzuki, Shingo Mitsugi
  • Insulated wire material and method of manufacturing the same, and coil and electrical/electronic equipment
    Patent number: 11670436
    Abstract: Provided are an insulated wire material including: a conductor including a single core conductor or a plurality of divided conductors placed in parallel to each other or helically placed; a peripheral insulating layer with which a periphery of the conductor is coated; and a welding member provided at least one end portion of the conductor and joined, via a welded portion welded to the single core conductor or divided conductors, to at least a peripheral surface of the welded portion, a manufacturing method thereof, a coil including the insulated wire material, and electrical/electronic equipment including the coil.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: June 6, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Akira Tachibana, Daisuke Muto, Hirofumi Oshima
  • Structured catalyst for CO shift or reverse shift and method for producing same, CO shift or reverse shift reactor, method for producing carbon dioxide and hydrogen, and method for producing carbon monoxide and water
    Patent number: 11666894
    Abstract: Provided are a structured catalyst for CO shift or reverse shift that can realize a long life time by suppressing the decline in function, a method for producing the same, a CO shift or reverse shift reactor, a method for producing carbon dioxide and hydrogen, and a method for producing carbon monoxide and water. The structured catalyst for CO shift or reverse shift (1) includes a support (10) of a porous structure composed of a zeolite-type compound, and at least one CO shift or reverse shift catalytic substance (20) present in the support (10), the support (10) has channels (11) connecting with each other, and the CO shift or reverse shift catalytic substance (20) is present at least in the channels (11) of the support (10).
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: June 6, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
  • RECHARGEABLE BATTERY SHORT CIRCUIT EARLY DETECTION DEVICE AND RECHARGEABLE BATTERY SHORT CIRCUIT EARLY DETECTION METHOD
    Publication number: 20230168316
    Abstract: A rechargeable battery short-circuit early detection device that detects a short-circuit in a rechargeable battery includes one or more processors connected to a current sensor that detects a charging current of the rechargeable battery, wherein the one or more processors are programmed to: if a detected temporal slope of the charging current exceeds a first threshold, determine that there is a possibility that a short circuit has occurred in at least one of the cells; detect anew a temporal slope of the charging current after a prescribed period of time has elapsed since the determination of said possibility; and thereafter, if the anew detected temporal slope of the charging current exceeds a second threshold that is greater than the first threshold, determine that there is a possibility that the short-circuit is progressing, and output a signal indicating said possibility.
    Type: Application
    Filed: February 1, 2023
    Publication date: June 1, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Naotaka UCHINO, Etsuzo SATO
  • ROTARY CONNECTOR DEVICE
    Publication number: 20230170657
    Abstract: A rotary connector device includes a first case, a second case, and a stopper structure. The stopper structure includes a movable member, a movement conversion portion, and a stopper. The movable member is rotatable about a rotation axis along with the second case with respect to the first case. The movable member is movable in an axial direction defined along the rotation axis with respect to the first case and the second case. The movement conversion portion is to convert a relative rotation of the first case and the second case into a movement of the movable member in the axial direction with respect to the first case and the second case. The stopper is provided on at least one of the first case and the second case. The stopper is contactable with the movable member.
    Type: Application
    Filed: January 12, 2023
    Publication date: June 1, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yohei YAMAGAMI, Shinichi HAMASAKI, Masaya ARAKI, Hirofumi UTSUNOMIYA
  • LIGHT EMITTING DEVICE, LIGHT SOURCE DEVICE, AND OPTICAL FIBER LASER
    Publication number: 20230170662
    Abstract: A light emitting device includes: a plurality of light emitting elements that are aligned in a first direction; and a base that includes a plurality of mounting surfaces that are aligned in the first direction and on which the respective light emitting elements are mounted; a bottom surface that extends in a second direction that is inclined with respect to the first direction on back sides of the plurality of mounting surfaces; and a refrigerant passage that is arranged between the plurality of mounting surfaces and the bottom surface and in which a refrigerant flows, the refrigerant passage including a first section that extends in the first direction along the plurality of light emitting elements.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 1, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventor: Yuta ISHIGE
  • ROTARY CONNECTOR DEVICE
    Publication number: 20230170656
    Abstract: A rotary connector device includes a first case, a second case, an electrical cable, and a stopper structure. The stopper structure includes a movable member, a rotation restricting portion, and a guide portion. The movable member is movable relative to the second case between a first radial position and a second radial position in a radial direction. The rotation restricting portion is provided at the first case and contactable with the movable member in a circumferential direction to restrict a relative rotation of the first case and the second case in a state where the movable member is at the second radial position. The guide portion is provided at the first case and contactable with the movable member to guide the movable member toward the first radial position.
    Type: Application
    Filed: January 12, 2023
    Publication date: June 1, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Masaya ARAKI, Satoshi KITAO
  • Coated carbon nanotube wire for coil, coil using coated carbon nanotube wire for coil, and method for manufacturing coated carbon nanotube wire coil
    Patent number: 11664135
    Abstract: A coated carbon nanotube wire for a coil includes: a carbon nanotube wire, the carbon nanotube wire being composed of a plurality of carbon nanotube aggregates each constituted of a plurality of carbon nanotubes, or being composed of a plurality of carbon nanotube element wires each constituted of a plurality of carbon nanotubes; and a coating layer coating the carbon nanotube wire, wherein each of the carbon nanotube aggregates contacts one or more other adjacent carbon nanotube aggregates, or each of the carbon nanotube element wires contacts one or more other adjacent carbon nanotube element wires.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: May 30, 2023
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Hideki Aizawa, Satoshi Yamashita, Kazutomi Miyoshi
  • SENSING CABLE AND SENSING SYSTEM
    Publication number: 20230161102
    Abstract: A sensing cable includes a first optical fiber, a second optical fiber that extends along the first optical fiber and that is spaced from the first optical fiber, and a transmitting material that includes an intervention portion present between the first optical fiber and the second optical fiber, the transmitting material being configured to transmit light from the first optical fiber to the second optical fiber through the intervention portion.
    Type: Application
    Filed: October 19, 2022
    Publication date: May 25, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventor: Hideaki HASEGAWA
  • CELLULOSE FIBER REINFORCED RESIN FORMED BODY AND METHOD OF PRODUCING THE SAME
    Publication number: 20230159714
    Abstract: A cellulose fiber reinforced resin formed body, which is obtained by molding a cellulose fiber reinforced resin composition containing a polypropylene resin, an alkoxysilane-modified polypropylene resin, and a cellulose fiber; and a method of producing the same.
    Type: Application
    Filed: January 11, 2023
    Publication date: May 25, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Mayu SATAKE, Yukihiro IKURA, Suzune ITO, Yasuo NAKAJIMA, Kenichi SUYAMA, Hiroki TANAKA, Isao TOMOMATSU, Yui HAMURO
  • Structured catalyst for catalytic cracking or hydrodesulfurization, catalytic cracking apparatus and hydrodesulfurization apparatus including the structured catalyst, and method for producing structured catalyst for catalytic cracking or hydrodesulfurization
    Patent number: 11654422
    Abstract: To provide a structured catalyst for catalytic cracking or hydrodesulfurization that suppresses decline in catalytic activity, achieves efficient catalytic cracking, and allows simple and stable obtaining of a substance to be modified. The structured catalyst for catalytic cracking or hydrodesulfurization (1) includes a support (10) of a porous structure composed of a zeolite-type compound and at least one type of metal oxide nanoparticles (20) present in the support (10), in which the support (10) has channels (11) that connect with each other, the metal oxide nanoparticles (20) are present at least in the channels (11) of the support (10), and the metal oxide nanoparticles (20) are composed of a material containing any one or two more of the oxides of Fe, Al, Zn, Zr, Cu, Co, Ni, Ce, Nb, Ti, Mo, V, Cr, Pd, and Ru.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: May 23, 2023
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine