Patents Assigned to SHOWA DENKO
  • Publication number: 20230023546
    Abstract: A horizontal continuous casting apparatus includes a fluid supply pipe for supplying a lubricating fluid to the hollow portion of the mold, which is arranged on one end side of the mold; and, a cooling water cavity for accommodating cooling water cooling an inner peripheral surface of the hollow portion of the mold, which is formed outside the inner peripheral surface, wherein the inner peripheral surface and the inner bottom surface of the cooling water cavity facing the inner peripheral surface form parallel surfaces with each other, and a cooling wall of the mold between the inner peripheral surface and the inner bottom surface is formed so that the heat flux value per unit area from the molten aluminum alloy to the cooling water is 10×105 W/m2 or more.
    Type: Application
    Filed: July 11, 2022
    Publication date: January 26, 2023
    Applicant: SHOWA DENKO K.K.
    Inventor: Yoshifumi KIMURA
  • Publication number: 20230027915
    Abstract: The present invention provides a production method of a polymerized polymer containing a silver nanowire, including a preparation step of preparing a monomer composition containing the silver nanowire, a polymerization step of performing polymerization of the monomer composition containing the silver nanowire, and a standing step of leaving the monomer composition to stand which is performed between the preparation step and the polymerization step, in which a start of the polymerization step is determined in the standing step based on an orientation state in a vertical direction of the silver nanowire in the monomer composition as an index.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicant: SHOWA DENKO K.K
    Inventors: Yasunao MIYAMURA, Yasushi KADOWAKI, Kuniaki YAMATAKE, Masanao HARA, Shigeru YAMAKI, Hideki OHATA
  • Patent number: 11561266
    Abstract: Reduction of the S/N in an output from a magnetic sensor using the magnetic impedance effect is suppressed. A magnetic sensor 1 is provided with a sensitive element 31 including: plural soft magnetic material layers 105; and a nonmagnetic amorphous metal layer 106 provided between the plural soft magnetic material layers 105, wherein the soft magnetic material layers 105 facing each other with the nonmagnetic amorphous metal layer 106 interposed therebetween are antiferromagnetically coupled to sense a magnetic field by a magnetic impedance effect.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: January 24, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Daizo Endo, Akira Sakawaki
  • Patent number: 11560476
    Abstract: An epoxy resin, comprising an epoxy compound A that has at least two mesogenic structures and at least one phenylene group, and an epoxy compound B that has at least two mesogenic structures and at least one divalent biphenyl group.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 24, 2023
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Naoki Maruyama, Yuka Yoshida, Tomoko Higashiuchi, Kazumasa Fukuda, Keiichiro Nishimura, Yoshitaka Takezawa
  • Patent number: 11562951
    Abstract: An organic interposer includes: a first organic insulating layer including a groove; a first metal wire located in the groove; a barrier metal material covering the first metal wire; and a second metal wire located above the first metal wire, wherein the barrier metal material includes: a first barrier metal film interposed between the first metal wire and an inner surface of the groove; and a second barrier metal film located on the first metal wire, and wherein the second metal wire is in contact with both of the first barrier metal film and the second barrier metal film.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: January 24, 2023
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Kazuyuki Mitsukura, Masaya Toba, Yoshinori Ejiri, Kazuhiko Kurafuchi
  • Patent number: 11561469
    Abstract: A black positive-type photosensitive resin composition with high sensitivity is provided. The photosensitive resin composition of the invention includes (A) a binder resin, (B) a quinonediazide adduct of a phenol compound having 3 or more phenolic hydroxyl groups (hereunder also referred to as “trivalent or greater phenol compound”, and (C) a black coloring agent, wherein the quinonediazide adduct (B) includes (b1) a quinonediazide adduct wherein one of the hydroxyl groups of the phenolic hydroxyl groups of the trivalent or greater phenol compound is replaced by a structure represented by formula (I) or formula (II), and (b2) a quinonediazide adduct wherein two of the hydroxyl groups of the phenolic hydroxyl groups of the trivalent or greater phenol compound are replaced by structures represented by formula (I) or formula (II), and the total of (b1) and (b2) is at least 60 mol % of the entirety of (B). Ra to Rd and * in the formulas are as defined in the Specification.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: January 24, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Kentaro Furue, Yuki Miyaishi, Shiyuko Nakamura
  • Publication number: 20230020837
    Abstract: A magnetic sensor includes: a sensitive layer made of a soft magnetic material with uniaxial magnetic anisotropy, the sensitive layer being configured to sense a magnetic field by a magnetic impedance effect; and a magnet layer made of a magnetized hard magnetic material and disposed to face the sensitive layer. The magnet layer is configured to apply a DC magnetic bias Hb in a direction intersecting a direction of the uniaxial magnetic anisotropy in the sensitive layer, the DC magnetic bias Hb having a greater value than an anisotropic magnetic field Hk of the sensitive layer.
    Type: Application
    Filed: November 17, 2020
    Publication date: January 19, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Daizo ENDO, Tatsunori SHINO
  • Publication number: 20230017483
    Abstract: The present invention aims to provide a lithium-ion-conducting oxide sintered body capable of providing a solid electrolyte with an excellent ion conductivity, and a solid electrolyte, an electrode and an all-solid-state battery using the same. The lithium-ion-conducting oxide sintered body including at least lithium, tantalum, phosphorus, silicon, and oxygen as constituent elements, and having a polycrystalline structure consisting of crystal grains and grain interfaces formed between the crystal grains.
    Type: Application
    Filed: December 25, 2020
    Publication date: January 19, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Ryosuke SEI, Kunchan LEE
  • Patent number: 11555005
    Abstract: A fluorine-containing ether compound according to the present invention is a fluorine-containing ether compound represented by the following General Formula (1).
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: January 17, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Naoya Fukumoto, Ryuuta Miyasaka, Hiroyuki Tomita, Michio Seri, Naoko Ito, Katsumi Murofushi
  • Publication number: 20230009139
    Abstract: A magnetic sensor includes: plural sensitive elements 31 each including a soft magnetic material layer 105 having a longitudinal direction and a transverse direction and a conductor layer having higher conductivity than the soft magnetic material layer 105 and extending through the soft magnetic material layer 105 in a longitudinal direction, the sensitive element 31 having uniaxial magnetic anisotropy in a direction intersecting the longitudinal direction and being configured to sense a magnetic field by a magnetic impedance effect; and a connecting portion 32 continuous with the conductor layer of the sensitive element and configured to connect transversely adjacent sensitive elements 31 in series.
    Type: Application
    Filed: November 17, 2020
    Publication date: January 12, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Daizo ENDO, Tatsunori SHINO, Akira SAKAWAKI, Sho TONEGAWA, Yasumasa WATANABE
  • Patent number: 11551713
    Abstract: A base for a magnetic recording medium, includes an aluminum alloy substrate, and a nickel alloy film provided on at least one principal surface of the aluminum alloy substrate. The nickel alloy film includes Mo in a range of 0.5 wt % to 3 wt %, P in a range of 11 wt % to 15 wt %, and Fe in a range of 0.0001 wt % to 0.001 wt %.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: January 10, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Wataru Sato, Hideki Tomosue, Norihisa Watanabe
  • Patent number: 11551712
    Abstract: A base for a magnetic recording medium, includes an aluminum alloy substrate, and a nickel alloy film provided on at least one principal surface of the aluminum alloy substrate. The nickel alloy film includes Mo in a range of 0.5 wt % to 3 wt %, P in a range of 11 wt % to 15 wt %, and Al in a range of 0.001 wt % to 0.1 wt %.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: January 10, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Wataru Sato, Hideki Tomosue, Norihisa Watanabe
  • Patent number: 11553593
    Abstract: The present invention relates to a support-attached resin film for an interlayer insulating layer, including a support, and a resin composition layer formed on one side surface of the support in which the support has particles exposed on the one side surface, and an average maximum height of exposed portions of the particles is 1.0 ?m or less, or the support has no particles exposed on the one side surface, a multilayer printed wiring board using the support-attached resin film for an interlayer insulating layer, and the multilayer printed-wiring board.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 10, 2023
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Takayuki Suzukawa, Ikuo Sugawara, Tetsurou Irino, Yuuki Tezuka, Masaharu Matsuura
  • Publication number: 20230002696
    Abstract: This fluorine-containing ether compound is represented by formula (1) shown below. R1—CH2—R2—CH2—R3??(1) In formula (1), R2 is a perfluoropolyether chain represented by a formula (2) shown below. R1 is a terminal group that is bonded to R2 via a CH2 group, and is represented by a formula (3) shown below. R3 is bonded to R2 via a CH2 group, is a terminal group having at least one hydroxyl group, and may be the same as, or different from, R1. —(CF2)p-1—O—((CF2)pO)q—(CF2)p-1—??(2) In formula (2), p represents an integer of 2 to 3, and q indicates the average polymerization degree and is a number within a range from 1 to 20. —O(CH2—CH(OH)—CH2—O)2—CH2—(CH2)n,—OH??(3) In formula (3), n represents an integer of 1 to 8.
    Type: Application
    Filed: November 6, 2020
    Publication date: January 5, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Tsuyoshi KATO, Ayano ASANO, Natsumi SHIBATA, Daisuke YAGYU
  • Patent number: 11545413
    Abstract: Provided is a thermal conduction sheet, including graphite particles (A) of at least one kind selected from the group consisting of flake-shaped particles, ellipsoidal particles, and rod-shaped particles, in which: when the graphite particles (A) are flake-shaped particles, a planar direction of the graphite particles (A) is oriented in a thickness direction of the thermal conduction sheet, when the graphite particles (A) are ellipsoidal particles, a major axis direction of the graphite particles (A) is oriented in the thickness direction of the thermal conduction sheet, when the graphite particles (A) are rod-like particles, a longitudinal direction of the graphite particles (A) is oriented in the thickness direction of the thermal conduction sheet, the thermal conduction sheet has an elastic modulus of 1.4 MPa or less under a compression stress of 0.1 MPa at 150° C., and the thermal conduction sheet has a tack strength of 5.0 N·mm or higher at 25° C.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: January 3, 2023
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Mika Kobune, Michiaki Yajima
  • Patent number: 11542631
    Abstract: A method for producing a p-type 4H—SiC single crystal includes sublimating a nitrided aluminum raw material and a SiC raw material. Further, there is a stacking of a SiC single crystal, which is co-doped with aluminum and nitrogen, on one surface of a seed crystal.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: January 3, 2023
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, SHOWA DENKO K.K., DENSO CORPORATION
    Inventors: Kazuma Eto, Tomohisa Kato, Hiromasa Suo, Yuichiro Tokuda
  • Patent number: 11542192
    Abstract: The present invention provides a highly reliable multilayered glass panel and an encapsulating material for achieving the highly reliable multilayered glass panel. The encapsulating material includes lead-free low melting glass particles containing vanadium oxide and tellurium oxide, low thermal expansion filler particles, and glass beads as a solid content. A volume fraction of the glass beads in the solid content is not less than 10% to not more than 35%, and a volume fraction of the lead-free low melting glass particles in the solid content is larger than a volume fraction of the low thermal expansion filler in the solid content.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: January 3, 2023
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Hironori Suzuki, Taigo Onodera, Tatsuya Miyake, Akitoyo Konno
  • Patent number: 11545176
    Abstract: A magnetic recording medium includes a substrate, and a magnetic recording layer including magnetic grains having an L10 structure. The magnetic recording layer is (001) oriented, and a surface of growth of the magnetic recording layer includes a (001) plane, a (111) plane, and planes equivalent to the (111) plane. An area ratio of the (111) plane and the planes equivalent to the (111) plane, represented by (A111+A111e)/(A001+A111+A111e), is in a range of 0.2 to 0.7, where A111 denotes an area of the (111) plane, A111e denotes an area of the planes equivalent to the (111) plane, and A001 denotes an area of the (001) plane.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: January 3, 2023
    Assignee: SHOWA DENKO K.K.
    Inventors: Takayuki Fukushima, Tomoo Shige, Yuji Umemoto, Kazuya Niwa
  • Patent number: 11535782
    Abstract: In one aspect, the present invention provides a resin member comprising a copolymer of ethylene and an olefin having 3 or more carbon atoms, and a straight-chain saturated hydrocarbon compound.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: December 27, 2022
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Akira Nagai, Tsuyoshi Morimoto, Teiichi Inada
  • Patent number: 11538603
    Abstract: Provided is a transparent conducting film containing metal nanowires, the conducting film having a preferable optical property, electrical property, and having almost no in-plane resistance anisotropy. A method for producing a transparent conducting film provided with a conducting layer containing a metal nanowire and a binder resin, comprising steps of: preparing a coating liquid containing the metal nanowire and the binder resin, and coating the coating liquid on one main face of a transparent substrate, the coating step being performed by a bar-coater with a bar which has a bar surface constituted by a material having a friction coefficient of 0.05 to 0.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: December 27, 2022
    Assignee: SHOWA DENKO K.K.
    Inventors: Shigeru Yamaki, Shuhei Yoneda