Patents by Inventor Yoshifumi Maki

Yoshifumi Maki 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: 11875927
    Abstract: A coil component includes a core including a winding core portion and a first flange portion that is disposed on a first end portion of the winding core portion in a direction in which the winding core portion extends. A first curved portion is formed at a connection between a bottom surface of the winding core portion and the first flange portion. A ratio of a length of the first curved portion in a height direction to a distance in the height direction between the bottom surface and a first terminal electrode is no less than 20% and no more than 60% (i.e., from 20% to 60%).
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: January 16, 2024
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Takashi Sukegawa, Yasuhiro Itani, Takanori Suzuki, Yuuki Kitadai, Yoshifumi Maki, Reiichi Matsuba
  • Patent number: 11848147
    Abstract: A coil component includes a core including a winding core portion and a first flange portion, a first wire and a second wire that are wound around the winding core portion in the same direction, and a first terminal electrode that is disposed on the first flange portion and that is connected to a first end portion of the first wire. The shape of an outer edge of the first terminal electrode includes a convex curve.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: December 19, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yoshifumi Maki, Reiichi Matsuba, Takashi Sukegawa, Yasuhiro Itani, Takanori Suzuki, Yuuki Kitadai
  • Patent number: 11848135
    Abstract: A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion. The winding portion includes a second intersecting portion along a third side surface of the winding core portion at a position on the winding portion nearest to the second flange portion.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: December 19, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yasuhiro Itani, Takashi Sukegawa, Takanori Suzuki, Yuuki Kitadai, Yoshifumi Maki, Reiichi Matsuba
  • Publication number: 20230282408
    Abstract: A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a plate member that is mounted on the first flange portion and the second flange portion. A distance in a height direction between the plate member and the first flange portion, or a distance in the height direction between the plate member and the second flange portion, or both vary in a length direction, or in a width direction, or both.
    Type: Application
    Filed: May 1, 2023
    Publication date: September 7, 2023
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Takashi SUKEGAWA, Yasuhiro ITANI, Takanori SUZUKI, Yuuki KITADAI, Yoshifumi MAKI, Reiichi MATSUBA
  • Publication number: 20230197331
    Abstract: A method of manufacturing an electronic component capable of preventing entrance of a plating solution and a flux component at an interface to which an inner electrode of a ceramic element body is extended, and capable of forming an outer electrode of an arbitrary shape. A ceramic element body is made of a ceramic material containing a metal oxide, and part of an inner electrode is extended to extended surfaces of the ceramic element body. A base electrode is formed on each of the extended surfaces using a conductive paste to be connected to the inner electrode. Part of another surface of the ceramic element body adjacent to the extended surfaces is locally heated, and part of the metal oxide is reduced to form a reformed portion. A plating electrode is continuously formed over the base electrode and the reformed portion through a plating method to form outer electrodes.
    Type: Application
    Filed: February 16, 2023
    Publication date: June 22, 2023
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshifumi MAKI, Takuya Ishida, Shinya Hirai
  • Patent number: 11676754
    Abstract: A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a plate member that is mounted on the first flange portion and the second flange portion. A distance in a height direction between the plate member and the first flange portion, or a distance in the height direction between the plate member and the second flange portion, or both vary in a length direction, or in a width direction, or both.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: June 13, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Takashi Sukegawa, Yasuhiro Itani, Takanori Suzuki, Yuuki Kitadai, Yoshifumi Maki, Reiichi Matsuba
  • Publication number: 20230103865
    Abstract: An electronic component includes a body having a mounting surface which faces a mounting substrate and an exposure surface from which an extended wiring line is exposed, a first electrode attached to the mounting surface, and a second electrode which is electrically connected to the extended wiring line and which is attached to the exposure surface. The first electrode and the second electrode second electrode are spaced from each other.
    Type: Application
    Filed: September 28, 2022
    Publication date: April 6, 2023
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshifumi MAKI, Atsuo HIRUKAWA
  • Patent number: 11605493
    Abstract: A method of manufacturing an electronic component capable of preventing entrance of a plating solution and a flux component at an interface to which an inner electrode of a ceramic element body is extended, and capable of forming an outer electrode of an arbitrary shape. A ceramic element body is made of a ceramic material containing a metal oxide, and part of an inner electrode is extended to extended surfaces of the ceramic element body. A base electrode is formed on each of the extended surfaces using a conductive paste to be connected to the inner electrode. Part of another surface of the ceramic element body adjacent to the extended surfaces is locally heated, and part of the metal oxide is reduced to form a reformed portion. A plating electrode is continuously formed over the base electrode and the reformed portion through a plating method to form outer electrodes.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: March 14, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yoshifumi Maki, Takuya Ishida, Shinya Hirai
  • Publication number: 20230012992
    Abstract: A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion. The winding portion includes a second intersecting portion along a third side surface of the winding core portion at a position on the winding portion nearest to the second flange portion.
    Type: Application
    Filed: September 26, 2022
    Publication date: January 19, 2023
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yasuhiro ITANI, Takashi SUKEGAWA, Takanori SUZUKI, Yuuki KITADAI, Yoshifumi MAKI, Reiichi MATSUBA
  • Publication number: 20220384090
    Abstract: An electronic component includes a body, an inner conductor inside the body, and an outer electrode that lies on part of at least a first main surface of the body and includes an underlying electrode and a plating electrode with which the underlying electrode is covered. The underlying electrode includes a first underlying electrode on part of the first main surface and connected directly to the inner conductor and a second underlying electrode at part of the first main surface away from the first underlying electrode and closer than the first underlying electrode to the center of the body in the length direction and not connected directly to the inner conductor. The plating electrode includes first and second plating electrodes. The first underlying electrode is covered with the first plating electrode, and the second underlying electrode is covered with the second plating electrode.
    Type: Application
    Filed: May 23, 2022
    Publication date: December 1, 2022
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshifumi MAKI, Atsuo HIRUKAWA, Daisuke OTSUKA
  • Patent number: 11495385
    Abstract: A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion. The winding portion includes a second intersecting portion along a third side surface of the winding core portion at a position on the winding portion nearest to the second flange portion.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: November 8, 2022
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yasuhiro Itani, Takashi Sukegawa, Takanori Suzuki, Yuuki Kitadai, Yoshifumi Maki, Reiichi Matsuba
  • Patent number: 11462346
    Abstract: A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion, a first terminal electrode and a second terminal electrode that are disposed on the first flange portion, and a third terminal electrode and a fourth terminal electrode that are disposed on the second flange portion. A length of the winding portion along a bottom surface of the winding core portion is shorter than a length of the winding portion along an upper surface of the winding core portion.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: October 4, 2022
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Takashi Sukegawa, Yasuhiro Itani, Yoshifumi Maki, Takanori Suzuki, Yuuki Kitadai, Reiichi Matsuba
  • Publication number: 20220165487
    Abstract: A coil component includes a core, terminal electrodes, and a wire. The core includes a winding core and a pair of flanges. Each flange of the pair of flanges is disposed on the corresponding one of two ends of the winding core. The terminal electrodes are at the flanges. The wire is wound around the winding core. Two ends of the wire are electrically connected to the respective terminal electrodes. The terminal electrodes each include an electrode main body part and an anchor part that extends from the electrode main body part and is lodged in the core.
    Type: Application
    Filed: November 19, 2021
    Publication date: May 26, 2022
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Reiichi MATSUBA, Yoshifumi MAKI
  • Patent number: 11322293
    Abstract: A manufacturing method that is capable of forming an electrode on any part of a surface of a sintered ceramic body in accordance with a simple approach, and a ceramic electronic component manufactured by the method. The method for manufacturing a ceramic electronic component includes steps of preparing a sintered ceramic body containing a metal oxide, irradiating an electrode formation region on a surface of the ceramic body with a laser to partially lower resistance of the ceramic body, thereby forming a low-resistance portion, and subjecting the ceramic body to plating to deposit a plated metal serving as an electrode on the low-resistance portion, and growing the plated metal to extend over the entire electrode formation region.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: May 3, 2022
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yoshifumi Maki, Takuya Ishida, Hirotsugu Tomioka, Shinya Hirai, Daisuke Katayama
  • Patent number: 11170935
    Abstract: A manufacturing method for an electronic component includes: a step of forming an insulating layer on an outer electrode body so as to cover the outer electrode body, the outer electrode body being formed on a chip element which forms the electronic component; and a step of removing the insulating layer in a predetermined region of the outer electrode body by applying laser light to the insulating layer in the predetermined region so as to expose the predetermined region. The insulating layer has a higher absorption coefficient for the laser light than a material forming a surface of the outer electrode body.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: November 9, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Eiji Iso, Shinichiro Izumi, Yoshifumi Maki, Hirotsugu Tomioka, Tsuyoshi Kawada
  • Patent number: 10998117
    Abstract: A wire-wound coil component includes a core having a spool and a flange, a wire wound around the spool, and an outer electrode to which an end portion of the wire is electrically coupled. The flange has a lateral surface and a bottom surface. The outer electrode has a metal thin-film section in contact with the lateral surface and a thick-film electrode section which is a metal composite film in contact with the bottom surface.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: May 4, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Kohei Kobayashi, Yoshifumi Maki, Takuya Ishida, Shinya Hirai
  • Patent number: 10879005
    Abstract: In electronic devices, as a result of miniaturization, the distance between a mounting board and an upper board or a shield case and the like, or the distance between the mounting board and other electronic components mounted adjacent thereto has become smaller. An electronic component is provided with: an element body internally containing a circuit element; and a terminal formed on the element body. The terminal is formed over an end surface of the element body and a surface adjacent to the end surface. An insulating film covering the terminal is formed on the element body. The terminal is exposed from the insulating film at least at a mounting surface of the element body, and a plating film containing tin is formed on a portion of the terminal exposed from the insulating film.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: December 29, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yoshifumi Maki, Hirotsugu Tomioka, Shinichiro Izumi, Eiji Iso
  • Publication number: 20200335261
    Abstract: A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a plate member that is mounted on the first flange portion and the second flange portion. A distance in a height direction between the plate member and the first flange portion, or a distance in the height direction between the plate member and the second flange portion, or both vary in a length direction, or in a width direction, or both.
    Type: Application
    Filed: April 14, 2020
    Publication date: October 22, 2020
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Takashi SUKEGAWA, Yasuhiro ITANI, Takanori SUZUKI, Yuuki KITADAI, Yoshifumi MAKI, Reiichi MATSUBA
  • Publication number: 20200335266
    Abstract: A coil component includes a core including a winding core portion and a first flange portion, a first wire and a second wire that are wound around the winding core portion in the same direction, and a first terminal electrode that is disposed on the first flange portion and that is connected to a first end portion of the first wire. The shape of an outer edge of the first terminal electrode includes a convex curve.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshifumi MAKI, Reiichi MATSUBA, Takashi SUKEGAWA, Yasuhiro ITANI, Takanori SUZUKI, Yuuki KITADAI
  • Publication number: 20200335249
    Abstract: A coil component includes a core including a winding core portion and a first flange portion that is disposed on a first end portion of the winding core portion in a direction in which the winding core portion extends. A first curved portion is formed at a connection between a bottom surface of the winding core portion and the first flange portion. A ratio of a length of the first curved portion in a height direction to a distance in the height direction between the bottom surface and a first terminal electrode is no less than 20% and no more than 60% (i.e., from 20% to 60%).
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Takashi SUKEGAWA, Yasuhiro ITANI, Takanori SUZUKI, Yuuki KITADAI, Yoshifumi MAKI, Reiichi MATSUBA