Patents by Inventor Kazuhiro Matsuda

Kazuhiro Matsuda 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: 11967903
    Abstract: A rectifier circuit includes: a first input line to which a first alternating-current voltage is supplied and that is wired along a first direction; a second input line to which a second alternating-current voltage is supplied and that is wired along the first direction on a second direction side of the first input line; a first output line that is configured to output a first rectified voltage and is wired along the second direction; a second output line that is configured to output a second rectified voltage and is wired along the second direction on a first direction side of the first output line; a first rectifier element that is arranged corresponding to an intersection of the first input line and the first output line; a second rectifier element that is arranged corresponding to an intersection of the second input line and the first output line; a third rectifier element that is arranged corresponding to an intersection of the first input line and the second output line; and a fourth rectifier element t
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: April 23, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kinya Matsuda, Kazuhiro Maekawa
  • Patent number: 11937598
    Abstract: A cerium oxide nanoparticle whose surface is covered with a vinyl polymer has a heterocyclic amine skeleton such as piperazine, pyridine, imidazole, or carbazole or with a polyamide having a heterocyclic amine skeleton such as piperazine, pyridine, imidazole, or carbazole; and a decomposition method of a nucleic acid or a polypeptide by using the cerium oxide nanoparticle.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 26, 2024
    Assignee: Toray Industries, Inc.
    Inventors: Shota Sekiguchi, Kazuhiro Matsuda, Takahiro Motoshiromizu, Masateru Ito
  • Patent number: 11912897
    Abstract: The present invention provides a conductive coating material curable at low temperatures. The present invention relates to a conductive coating material containing: 100 parts by weight of an epoxy resin-containing binder component (A); 500 to 2500 parts by weight of metal particles (B); 1 to 150 parts by weight of a curing agent (C); 20 to 800 parts by weight of a solvent (D); and 0.5 to 5 parts by weight of a curing catalyst (E).
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: February 27, 2024
    Assignee: Tatsuta Electric Wire & Cable Co., Ltd.
    Inventors: Hajime Nakazono, Kazuhiro Matsuda
  • Publication number: 20230151228
    Abstract: A conductive composition is provided that can be spray coated to form a shielding layer having good shielding capability against 100 MHz to 40 GHz electromagnetic waves, and having desirable adhesion to a package with good laser mark visibility. A method of production of a shielded package with such a conductive composition is also provided.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 18, 2023
    Inventors: Hiroaki UMEDA, Hajime NAKAZONO, Masamichi NISOGI, Hidetoshi NOGUCHI, Kazuhiro MATSUDA
  • Patent number: 11414554
    Abstract: A conductive coating material is disclosed including at least (A) 100 parts by mass of a binder component including a solid epoxy resin that is a solid at normal temperature and a liquid epoxy resin that is a liquid at normal temperature, (B) 500 to 1800 parts by mass of metal particles that have a tap density of 5.3 to 6.5 g/cm3 with respect to 100 parts by mass of the binder component (A), (C) 0.3 to 40 parts by mass of a curing agent that contains at least one imidazole type curing agent with respect to 100 parts by mass of the binder component (A), and (D) 150 to 600 parts by mass of a solvent with respect to 100 parts by mass of the binder component (A).
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: August 16, 2022
    Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Ken Yukawa
  • Patent number: 11370926
    Abstract: A conductive coating material is disclosed including at least (A) 100 parts by mass of a binder component including 5 to 30 parts by mass of solid epoxy resin that is solid at normal temperature and 20 to 90 parts by mass of liquid epoxy resin that is liquid at normal temperature, (B) 200 to 1800 parts by mass of silver-coated copper alloy particles in which the copper alloy particles are made of an alloy of copper, nickel, and zinc, the silver-coated copper alloy particles have a nickel content of 0.5% to 20% by mass, and the silver-coated copper alloy particles have a zinc content of 1% to 20% by mass with respect to 100 parts by mass of the binder component (A), and (C) 0.3 to 40 parts by mass of a curing agent with respect to 100 parts by mass of the binder component (A).
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: June 28, 2022
    Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Ken Yukawa
  • Publication number: 20220030857
    Abstract: A cerium oxide nanoparticle whose surface is covered with a vinyl polymer has a heterocyclic amine skeleton such as piperazine, pyridine, imidazole, or carbazole or with a polyamide having a heterocyclic amine skeleton such as piperazine, pyridine, imidazole, or carbazole; and a decomposition method of a nucleic acid or a polypeptide by using the cerium oxide nanoparticle.
    Type: Application
    Filed: December 17, 2019
    Publication date: February 3, 2022
    Inventors: Shota Sekiguchi, Kazuhiro Matsuda, Takahiro Motoshiromizu, Masateru Ito
  • Patent number: 11236227
    Abstract: Provided are a heat dissipation material capable of ensuring stable adhesion while reducing cost, an inlay substrate using the same, and a method for manufacturing the same. A heat dissipation material having adhesive is obtained by coating a portion or the whole of the heat dissipation material with a heat dissipation material adhering composition including a resin component containing an epoxy resin, a curing agent, and an inorganic filler, and having a complex viscosity at 80° C. of 1×103 Pa·s to 5×106 Pa·s.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: February 1, 2022
    Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Ken Yukawa
  • Patent number: 11191198
    Abstract: A shield package is disclosed including: a package in which an electronic component is mounted on a substrate, the electronic component being sealed with sealing material; and a shield layer including a first layer and a second layer that are sequentially laminated on the package, in which the first layer made from a conductive resin composition having 100 parts by mass of a binder component, 400 parts by mass to 1800 parts by mass of metal particles, and 0.3 part by mass to 40 parts by mass of a curing agent, the metal particles include at least spherical metal particles and flaky metal particles, and the second layer made from a conductive resin composition containing a binder component, metal particles haying an average particle diameter of 10 nm to 500 nm, metal particles having an average particle diameter of 1 ?m to 50 ?m, and a radical polymerization initiator.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: November 30, 2021
    Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Hajime Nakazono, Hidetoshi Noguchi
  • Publication number: 20210024758
    Abstract: The present invention provides a conductive coating material curable at low temperatures. The present invention relates to a conductive coating material containing: 100 parts by weight of an epoxy resin-containing binder component (A); 500 to 2500 parts by weight of metal particles (B); 1 to 150 parts by weight of a curing agent (C); 20 to 800 parts by weight of a solvent (D); and 0.5 to 5 parts by weight of a curing catalyst (E).
    Type: Application
    Filed: February 18, 2019
    Publication date: January 28, 2021
    Inventors: Hajime NAKAZONO, Kazuhiro MATSUDA
  • Patent number: 10893603
    Abstract: A heat dissipation substrate is disclosed including a base substrate having a first surface and a second surface, an electrically conductive path formed on the first surface, a through-hole penetrating from the first surface to the second surface, a heat dissipation member that is inserted into the through-hole and at least a part of which projects from the first surface, a thermally conductive resin constituent, covering a side surface of the heat dissipation member, that is present, without space, between an inner peripheral surface of the through-hole and an outer peripheral surface of the heat dissipation member surrounded by the inner peripheral surface, and a metal layer covering the heat dissipation member projecting from the first surface, in which an outer surface of the metal layer and an outer surface of the electrically conductive path are disposed on substantially the same plane.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: January 12, 2021
    Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Ken Yukawa
  • Patent number: 10870669
    Abstract: The present invention provides a novel glyceroglycolipid produced by Mycoplasma pneumoniae. The glyceroglycolipid can be used as a diagnostic marker for a disease caused by Mycoplasma pneumoniae.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: December 22, 2020
    Assignee: M BIO TECHNOLOGY INC.
    Inventors: Kazuhiro Matsuda, Yuko Shingu
  • Publication number: 20200299524
    Abstract: A conductive coating material is disclosed including at least (A) 100 parts by mass of a binder component including a solid epoxy resin that is a solid at normal temperature and a liquid epoxy resin that is a liquid at normal temperature, (B) 500 to 1800 parts by mass of metal particles that have a tap density of 5.3 to 6.5 g/cm3 with respect to 100 parts by mass of the binder component (A), (C) 0.3 to 40 parts by mass of a curing agent that contains at least one imidazole type curing agent with respect to 100 parts by mass of the binder component (A), and (D) 150 to 600 parts by mass of a solvent with respect to 100 parts by mass of the binder component (A).
    Type: Application
    Filed: March 27, 2017
    Publication date: September 24, 2020
    Applicant: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Ken Yukawa
  • Publication number: 20200299523
    Abstract: A conductive coating material is disclosed including at least (A) 100 parts by mass of a binder component including 5 to 30 parts by mass of solid epoxy resin that is solid at normal temperature and 20 to 90 parts by mass of liquid epoxy resin that is liquid at normal temperature, (B) 200 to 1800 parts by mass of silver-coated copper alloy particles in which the copper alloy particles are made of an alloy of copper, nickel, and zinc, the silver-coated copper alloy particles have a nickel content of 0.5% to 20% by mass, and the silver-coated copper alloy particles have a zinc content of 1% to 20% by mass with respect to 100 parts by mass of the binder component (A), and (C) 0.3 to 40 parts by mass of a curing agent with respect to 100 parts by mass of the binder component (A).
    Type: Application
    Filed: March 27, 2017
    Publication date: September 24, 2020
    Applicant: Tatsuta Electric Wire & Cable Co., Ltd.
    Inventors: Hiroaki UMEDA, Kazuhiro MATSUDA, Ken YUKAWA
  • Publication number: 20200288608
    Abstract: A shield package is disclosed including: a package in which an electronic component is mounted on a substrate, the electronic component being sealed with sealing material; and a shield layer including a first layer and a second layer that are sequentially laminated on the package, in which the first layer made from a conductive resin composition having 100 parts by mass of a binder component, 400 parts by mass to 1800 parts by mass of metal particles, and 0.3 part by mass to 40 parts by mass of a curing agent, the metal particles include at least spherical metal particles and flaky metal particles, and the second layer made from a conductive resin composition containing a binder component, metal particles haying an average particle diameter of 10 nm to 500 nm, metal particles having an average particle diameter of 1 ?m to 50 ?m, and a radical polymerization initiator.
    Type: Application
    Filed: September 27, 2018
    Publication date: September 10, 2020
    Applicant: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Hajime Nakazono, Hidetoshi Noguchi
  • Publication number: 20200084875
    Abstract: A heat dissipation substrate is disclosed including a base substrate having a first surface and a second surface, an electrically conductive path formed on the first surface, a through-hole penetrating from the first surface to the second surface, a heat dissipation member that is inserted into the through-hole and at least a part of which projects from the first surface, a thermally conductive resin constituent, covering a side surface of the heat dissipation member, that is present, without space, between an inner peripheral surface of the through-hole and an outer peripheral surface of the heat dissipation member surrounded by the inner peripheral surface, and a metal layer covering the heat dissipation member projecting from the first surface, in which an outer surface of the metal layer and an outer surface of the electrically conductive path are disposed on substantially the same plane.
    Type: Application
    Filed: December 6, 2017
    Publication date: March 12, 2020
    Applicant: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Ken Yukawa
  • Patent number: 10434957
    Abstract: To prevent a vehicle body member from being damaged when an interior component is attached. In a vehicle interior structure, an interior component is fastened to a vehicle body member provided interior of a vehicle by an engagement portion. The engagement portion includes a hole formed in the vehicle body member, a claw portion provided in the interior component, and a pedestal provided in a base part of the claw portion. A guide portion is provided in the vehicle body member to guide the pedestal before the claw portion is fitted into the hole to engage with the hole, so as to prevent an end portion of the interior component from contacting the vehicle body member.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: October 8, 2019
    Assignee: CALSONIC KANSEI CORPORATION
    Inventors: Takahiro Toriumi, Kazuhiro Matsuda
  • Publication number: 20190292381
    Abstract: A conductive coating material includes at least (A) 100 parts by mass of binder component containing 5 to 30 parts by mass of solid epoxy resin which is a solid at normal temperature and 20 to 90 parts by mass of liquid epoxy resin which is a liquid at normal temperature; (B) 500 to 1800 parts by mass of metal particles; and (C) 0.3 to 40 parts by mass of hardener, in which the metal particles include (a) spherical metal particles and (b) flaky metal particles, a mass ratio of (a) the spherical metal particles to (b) the flaky metal particles is 25:75 to 75:25 (in terms of (a):(b)), and a viscosity at a liquid temperature of 25° C. of the conductive coating material is 100 to 600 m Pa·s when measured at rotation speed of 0.5 rpm with a cone-plate rotary viscometer.
    Type: Application
    Filed: February 22, 2017
    Publication date: September 26, 2019
    Applicant: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
    Inventors: Hajime Nakazono, Hiroaki Umeda, Kazuhiro Matsuda, Ken Yukawa
  • Publication number: 20190161512
    Abstract: The present invention provides a novel glyceroglycolipid produced by Mycoplasma pneumoniae. The glyceroglycolipid can be used as a diagnostic marker for a disease caused by Mycoplasma pneumoniae.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 30, 2019
    Applicant: M BIO TECHNOLOGY INC.
    Inventors: Kazuhiro MATSUDA, Yuko SHINGU
  • Patent number: 10259952
    Abstract: Provided herein is a conductive coating material that can be spray coated to form a shielding layer having desirable shielding performance, and desirable adhesion to a package. A shielded package producing method using the conductive coating material is also provided. The conductive coating material comprises at least (A) 100 parts by mass of a binder component containing 5 to 30 parts by mass of a solid epoxy resin that is solid at ordinary temperature, and 20 to 90 parts by mass of a liquid epoxy resin that is liquid at ordinary temperature, (B) 200 to 1800 parts by mass of metallic particles, and (C) 0.3 to 40 parts by mass of a curing agent. The conductive coating material has a viscosity of 3 to 30 dPa·s.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: April 16, 2019
    Assignee: Tatsuta Electric Wire & Cable Co., Ltd.
    Inventors: Hiroaki Umeda, Kazuhiro Matsuda