Patents by Inventor Katsunori Nishiura

Katsunori Nishiura 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).

  • Patent number: 11921132
    Abstract: An anisotropic conductive sheet according to the present invention comprises an insulating layer and a plurality of conductive layers. The insulating layer is elastic, and has a first surface that is positioned on one side in the thickness direction, a second surface that is positioned on the other side in the thickness direction, and a plurality of through holes that penetrate the layer from the first surface to the second surface. The conductive layers are respectively arranged on the inner wall surfaces of the plurality of through holes. The insulating layer comprises an elastic layer that is formed of a crosslinked product of an elastomer composition, and a heat-resistant resin layer that is formed of a heat-resistant resin composition that has a higher glass transition temperature than the crosslinked product of an elastomer composition.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: March 5, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Katsunori Nishiura, Taichi Koyama, Daisuke Yamada
  • Publication number: 20240036102
    Abstract: This anisotropic conductive sheet (10) comprises: an insulating layer (11) having a first surface located on one side in the thickness direction, a second surface located on the other side, and a plurality of through holes (12) penetrating between the first surface and the second surface; a plurality of conductive layers (22) continuously arranged at the inner wall surface of the through holes in each of at least some of the plurality of through holes and around the openings of the through holes on the first surface; and a plurality of first grooves (14) that are arranged between the plurality of conductive layers on the first surface to insulate the conductive layers from each other, wherein the center of gravity (C2) of the opening of each through hole is set apart from the center of gravity (C1) of the respective conductive layer on the first surface.
    Type: Application
    Filed: November 30, 2021
    Publication date: February 1, 2024
    Inventors: Katsunori NISHIURA, Daisuke YAMADA, Yuichi ITO
  • Patent number: 11860193
    Abstract: This anisotropic conductive sheet includes: a plurality of conductive paths; and an insulation layer which is disposed to fill the space between the plurality of conductive paths and has a first surface and a second surface. Each of the conductive path extends in a thickness direction of the insulation layer and has a first end part on the first surface side and a second end part on the second surface side. When the conductive paths are seen through so that the center of the first end part overlaps the center of the second end part, at least a portion of the conductive paths does not overlap the first end part and the second end part.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: January 2, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Taichi Koyama, Katsunori Nishiura, Daisuke Yamada, Yoichi Kodama
  • Publication number: 20230335308
    Abstract: This anisotropic conductive sheet has an insulation layer, a plurality of conduction paths, and a plurality of adhesion layers disposed therebetween. The adhesion layers each contain a silane coupling agent composition containing a silane coupling agent having a vinyl group and a hydrolyzable group, or a polycondensate of said composition. In the anisotropic conductive sheet: a) the insulation layer contains an addition crosslinked product of a silicone rubber composition containing an organopolysiloxane having a SiH group, and the vinyl groups of the adhesion layers is bound to the SiH group of the insulation layer through an addition reaction; or b) the insulation layer contains an organic peroxide crosslinked product of a silicone rubber composition containing an organopolysiloxane having a SiCH3 group, the vinyl groups of the adhesion layers is bound to the SiCH3 group of the insulation layer through a radical addition reaction.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 19, 2023
    Inventors: Katsunori Nishiura, Daisuke Yamada
  • Publication number: 20230209711
    Abstract: This anisotropic conductive sheet includes: an insulating layer having a first surface and a second surface; and a plurality of conductive paths which are disposed so as to extend in the thickness direction inside the insulating layer and which are respectively exposed to the outside of the first surface and the second surface. The circumferential surface of the conductive paths includes a region where the surface area ratio represented by equation (1) is at least 1.04.
    Type: Application
    Filed: May 26, 2021
    Publication date: June 29, 2023
    Inventors: Katsunori Nishiura, Daisuke Yamada
  • Publication number: 20230106035
    Abstract: An anisotropic conductive sheet has an insulation layer having a plurality of through-holes and a plurality of conductive layers each arranged on an inner wall surface of each of the plurality of through-holes. Each of the conductive layers has a base layer arranged on the inner wall surface of each of the through-holes and a metal plating layer arranged so as to contact with metal nanoparticles or a metal thin film in the base layer or the metal thin film. The base layer includes metal nanoparticles or a metal thin film and a binder, wherein at least a portion of the binder is arranged between the inner wall of each of the through-holes and the metal nanoparticles or the metal thin film. The binder is a sulfur-containing compound having a thiol group, a sulfide group or a disulfide group.
    Type: Application
    Filed: January 26, 2021
    Publication date: April 6, 2023
    Inventors: Katsunori NISHIURA, Daisuke YAMADA, Yojiro YAMAMOTO
  • Publication number: 20220413009
    Abstract: A sheet connector according to the present invention has: a first insulating layer having a first surface positioned on one side in the thickness direction, a second surface positioned on the other side, and a plurality of first through-holes passing through between the first surface and the second surface; and a plurality of first conductive layers arranged on the inner wall surfaces of the first through-holes. First ends of the first conductive layers on the first surface side project from the first surface.
    Type: Application
    Filed: November 19, 2020
    Publication date: December 29, 2022
    Inventors: Katsunori NISHIURA, Taichi KOYAMA, Daisuke YAMADA
  • Publication number: 20220413013
    Abstract: An anisotropic conductive sheet according to the present invention comprises an insulating layer and a plurality of conductive layers. The insulating layer is elastic, and has a first surface that is positioned on one side in the thickness direction, a second surface that is positioned on the other side in the thickness direction, and a plurality of through holes that penetrate the layer from the first surface to the second surface. The conductive layers are respectively arranged on the inner wall surfaces of the plurality of through holes. The insulating layer comprises an elastic layer that is formed of a crosslinked product of an elastomer composition, and a heat-resistant resin layer that is formed of a heat-resistant resin composition that has a higher glass transition temperature than the crosslinked product of an elastomer composition.
    Type: Application
    Filed: November 19, 2020
    Publication date: December 29, 2022
    Inventors: Katsunori NISHIURA, Taichi KOYAMA, Daisuke YAMADA
  • Publication number: 20220336800
    Abstract: A negative electrode active material including negative electrode active material particles, wherein the negative electrode active material particles contain silicon compound particles containing a silicon compound, the silicon compound particles contain Li2SiO3, at least a part of a surface of the silicon compound particles is covered with a carbon layer, and a surface layer of the negative electrode active material particles contains a substance having a carboxylic acid structure. Provided by this configuration is a negative electrode active material capable of increasing battery capacity due to improved initial efficiency and capable of realizing satisfactory battery cycle characteristics.
    Type: Application
    Filed: July 16, 2020
    Publication date: October 20, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takakazu HIROSE, Reiko SAKAI, Yusuke OSAWA, Takumi MATSUNO, Kohta TAKAHASHI, Katsunori NISHIURA, Nan FANG
  • Publication number: 20220187338
    Abstract: This anisotropic conductive sheet includes: a plurality of conductive paths; and an insulation layer which is disposed to fill the space between the plurality of conductive paths and has a first surface and a second surface. Each of the conductive path extends in a thickness direction of the insulation layer and has a first end part on the first surface side and a second end part on the second surface side. When the conductive paths are seen through so that the center of the first end part overlaps the center of the second end part, at least a portion of the conductive paths does not overlap the first end part and the second end part.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 16, 2022
    Inventors: Taichi KOYAMA, Katsunori NISHIURA, Daisuke YAMADA, Yoichi KODAMA
  • Publication number: 20220151069
    Abstract: This anisotropic conductive sheet has: an insulation layer that has a first surface and a second surface and that is formed of a first resin composition; a plurality of resinous columns that are formed of a second resin composition and that are disposed so as to extend in the thickness direction within the insulation layer; and a plurality of conductive layers that are disposed between the insulation layer and the plurality of resinous columns and that are exposed outside the second surface and the first surface.
    Type: Application
    Filed: February 28, 2020
    Publication date: May 12, 2022
    Inventors: Taichi KOYAMA, Katsunori NISHIURA, Daisuke YAMADA
  • Patent number: 11024838
    Abstract: A production method of a negative electrode active material for non-aqueous electrolyte secondary batteries containing particles of lithium-containing silicon compound includes: preparing particles of silicon compound containing a silicon compound (SiOx: 0.5?x?1.6); obtaining particles of lithium-containing silicon compound by making the particle of silicon compound contact with a solution A that contains lithium and has an ether-based solvent as a solvent; and heating the particles of the lithium-containing silicon compound. A production method of a negative electrode active material for non-aqueous electrolyte secondary batteries is capable of increasing battery capacity of the negative electrode active material and capable of improving the first time efficiency and cycle characteristics.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: June 1, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiromichi Kamo, Takakazu Hirose, Katsunori Nishiura, Nan Fang
  • Patent number: 10868303
    Abstract: A negative electrode active material contains particle of the negative electrode active material, wherein the particle of the negative electrode active material contains particle of a silicon compound which contains a silicon compound (SiOx: 0.5?x?1.6), the particle of the silicon compound contains lithium, and the particle of the negative electrode active material has a total content rate of a polyphenylene compound component and a polycyclic aromatic component measured by TPD-MS of 1 ppm by mass or more and 4,000 ppm by mass or less. As a result, a negative electrode active material is capable of improving cycle characteristics and initial charge/discharge characteristics when it is used as a negative electrode active material of a lithium ion secondary battery.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: December 15, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiromichi Kamo, Masahiro Furuya, Hidekazu Awano, Takakazu Hirose, Takumi Matsuno, Katsunori Nishiura, Nan Fang
  • Patent number: 10637053
    Abstract: A production method of a negative electrode active material containing a silicon compound (SiOx: 0.5?x?1.6) that contains Lithium includes: making a silicon compound into which the lithium has been inserted contact with a solution B containing a polycyclic aromatic compound or a derivative thereof or both thereof (here, the solution B contains one or more kinds selected from an ether-based solvent, a ketone-based solvent, an ester-based solvent, an alcohol-based solvent, and an amine-based solvent as a solvent); and making the silicon compound contact with a solution C (here, the solution C contains one or more kinds selected from an ether-based material, a ketone-based material, and an ester-based material as the solvent, and contains a compound having a quinoid structure in a molecule as a solute).
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: April 28, 2020
    Assignees: SHIN-ETSU CHEMICAL CO., LTD., MITSUI CHEMICALS, INC.
    Inventors: Hiromichi Kamo, Takakazu Hirose, Katsunori Nishiura, Hitoshi Onishi
  • Publication number: 20190181428
    Abstract: The objective of the present invention is to provide a negative electrode for a nonaqueous-electrolyte secondary cell, the negative electrode being predoped by immersion in a solution containing ions of an alkali metal and a catalyst, wherein the weight and volume of the negative electrode tend not to increase due to the predoping, and it is possible to further increase initial charge/discharge efficiency.
    Type: Application
    Filed: August 15, 2017
    Publication date: June 13, 2019
    Applicants: Mitsui Chemicals, Inc., Shin-Etsu Chemical Co., Ltd.
    Inventors: Katsunori Nishiura, Nan Fang, Takakazu Hirose, Masahiro Furuya
  • Patent number: 10297817
    Abstract: A negative electrode for a lithium-ion secondary cell, the negative electrode including a layered body of a collector and a negative electrode active material layer containing an alloy-based material (A) containing silicon or tin as a constituent element, a carbon coating (C) that covers the surface of the alloy-based material (A), carbon particles (B), and a binder (D), wherein the negative electrode for a lithium-ion secondary cell is characterized in that the total pore volume and average pore diameter of the carbon particles (B), as measured by nitrogen gas adsorption, satisfy the ranges of 1.0×10?2 to 1.0×10?1 cm3/g and 20 to 50 nm, respectively. The negative electrode for a lithium-ion secondary cell, and a lithium-ion secondary cell in which such a negative electrode for a lithium-ion secondary cell is used, have a high capacity and excellent cycle characteristics.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: May 21, 2019
    Assignees: MITSUI CHEMICALS, INC., SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Katsunori Nishiura, Masaki Saruyama, Yoshihiro Sakata, Hitoshi Onishi
  • Publication number: 20190115586
    Abstract: A production method of a negative electrode active material for non-aqueous electrolyte secondary batteries containing particles of lithium-containing silicon compound includes: preparing particles of silicon compound containing a silicon compound (SiOx: 0.5?x?1.6); obtaining particles of lithium-containing silicon compound by making the particle of silicon compound contact with a solution A that contains lithium and has an ether-based solvent as a solvent; and heating the particles of the lithium-containing silicon compound. A production method of a negative electrode active material for non-aqueous electrolyte secondary batteries is capable of increasing battery capacity of the negative electrode active material and capable of improving the first time efficiency and cycle characteristics.
    Type: Application
    Filed: April 3, 2017
    Publication date: April 18, 2019
    Applicants: SHIN-ETSU CHEMICAL CO., LTD., MITSUI CHEMICALS, INC.
    Inventors: Hiromichi KAMO, Takakazu HIROSE, Katsunori NISHIURA, Nan FANG
  • Publication number: 20190051897
    Abstract: A negative electrode active material contains particle of the negative electrode active material, wherein the particle of the negative electrode active material contains particle of a silicon compound which contains a silicon compound (SiOx: 0.5?x?1.6), the particle of the silicon compound contains lithium, and the particle of the negative electrode active material has a total content rate of a polyphenylene compound component and a polycyclic aromatic component measured by TPD-MS of 1 ppm by mass or more and 4,000 ppm by mass or less. As a result, a negative electrode active material is capable of improving cycle characteristics and initial charge/discharge characteristics when it is used as a negative electrode active material of a lithium ion secondary battery.
    Type: Application
    Filed: February 14, 2017
    Publication date: February 14, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hiromichi KAMO, Masahiro FURUYA, Hidekazu AWANO, Takakazu HIROSE, Takumi MATSUNO, Katsunori NISHIURA, Nan FANG
  • Publication number: 20180254480
    Abstract: A production method of a negative electrode active material containing a silicon compound (SiOx: 0.5?x?1.6) that contains Lithium includes: making a silicon compound into which the lithium has been inserted contact with a solution B containing a polycyclic aromatic compound or a derivative thereof or both thereof (here, the solution B contains one or more kinds selected from an ether-based solvent, a ketone-based solvent, an ester-based solvent, an alcohol-based solvent, and an amine-based solvent as a solvent); and making the silicon compound contact with a solution C (here, the solution C contains one or more kinds selected from an ether-based material, a ketone-based material, and an ester-based material as the solvent, and contains a compound having a quinoid structure in a molecule as a solute).
    Type: Application
    Filed: August 29, 2016
    Publication date: September 6, 2018
    Applicants: SHIN-ETSU CHEMICAL CO., LTD., MITSUI CHEMICALS, INC.
    Inventors: Hiromichi KAMO, Takakazu HIROSE, Katsunori NISHIURA, Hitoshi ONISHI
  • Publication number: 20180241076
    Abstract: The present invention addresses the problem of providing: a negative electrode that is for a lithium ion secondary battery, that has high initial charge/discharge efficiency, and that has high energy density; a lithium ion secondary battery comprising the negative electrode for a lithium ion secondary battery; and a method for producing the negative electrode for a lithium ion battery that makes it possible to efficiently pre-dope an alkali earth metal or an alkali metal such as lithium. In order to solve this problem, this negative electrode for a lithium ion secondary battery comprises a negative electrode mixture layer containing at least: an alloy material (A) comprising tin or silicon capable of occluding lithium; carbon particles (B); an imide bond-containing polymer (C); and a polycyclic aromatic compound (D). The amount of the imide bond-containing polymer (C) within the negative electrode mixture layer is 3-13 mass %.
    Type: Application
    Filed: August 2, 2016
    Publication date: August 23, 2018
    Applicants: MITSUI CHEMICALS, INC., SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Katsunori NISHIURA, Masaki SARUYAMA, Yoshihiro SAKATA, Hitoshi ONISHI, Akira EDA, Ken OHASHI, Masahiro FURUYA, Takakazu HIROSE, Hiroki YOSHIKAWA