Patents by Inventor Yoshimasa YOSHIOKA

Yoshimasa YOSHIOKA 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).

  • Publication number: 20210233701
    Abstract: An inductor component includes a body that includes a magnetic layer, an inductor wire that is provided in the body, and a vertical wire that is provided in the body and that extends to a first principal surface from a contact portion of the vertical wire that is in contact with the inductor wire. The vertical wire is in contact with the inductor wire in such a manner as to extend over a first side surface and a third side surface of the inductor wire.
    Type: Application
    Filed: January 26, 2021
    Publication date: July 29, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Riku KANEMOTO, Yoshimasa YOSHIOKA
  • Publication number: 20210193370
    Abstract: A coil component including 2N coils, N being an integer of two or more, wherein the 2N coils are configured to form N pairs, and wherein when coils other than a first coil and a second coil forming one of the N pairs are defined as the other coils, a magnetic coupling between the first coil and the second coil is stronger than a magnetic coupling between the first coil and each of the other coils.
    Type: Application
    Filed: March 9, 2021
    Publication date: June 24, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA, Atsuo HIRUKAWA
  • Publication number: 20210134516
    Abstract: An inductor array component including an element body and a first straight wiring line and a second straight wiring line that are arranged on the same plane inside the element body. The element body includes a first region that is located on a first side of the first straight wiring line or the second straight wiring line in a normal direction that is normal to the plane, a second region that is located on a second side of the first straight wiring line or the second straight wiring line in the normal direction that is normal to the plane, and a third region that is located between the first straight wiring line and the second straight wiring line. The greater one out of the magnetoresistance of the first region and the magnetoresistance of the second region is greater than or equal to the magnetoresistance of the third region.
    Type: Application
    Filed: October 21, 2020
    Publication date: May 6, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Naoya NOO
  • Publication number: 20210125776
    Abstract: An inductor array component includes a substantially flat plate-shaped main body including a magnetic layer having resin and metal magnetic powder contained in the resin, a first inductor wiring and a second inductor wiring disposed on the same plane in the main body and adjacent to each other, and a plurality of first vertical wirings extending in a first direction of a normal direction with respect to the plane so as to penetrate through inside of the main body and being exposed on a side of a first main surface of the main body. Also, the inductor array component includes a plurality of second vertical wirings extending in a second direction of the normal direction with respect to the plane so as to penetrate through the inside of the main body and being exposed on a side of a second main surface of the main body.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 29, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA
  • Publication number: 20210125770
    Abstract: An inductor component includes first and second inductor wiring lines, a first vertical wiring line, a second vertical wiring line, and a third vertical wiring line, wherein the first vertical wiring line and the second vertical wiring line are connected to the first end portion and the second end portion of the first inductor wiring line, respectively, and the third vertical wiring line and the second vertical wiring line are connected to the first end portion and the second end portion of the second inductor wiring line, respectively.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 29, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Kouji YAMAUCHI
  • Publication number: 20210125769
    Abstract: An inductor component includes a main body formed in a flat-plate shape and including a magnetic layer; an inductor wiring line disposed on a plane inside the main body; a first vertical wiring line that extends, from a pad portion which is an end portion of the inductor wiring line, in a first direction to pass through the inside of the main body, and is exposed on a first principal surface side of the main body; a second vertical wiring line that extends, from the pad portion of the inductor wiring line, in a second direction to pass through the inside of the main body, and is exposed on a second principal surface side of the main body; and an insulation layer of a non-magnetic body. The first vertical wiring line includes a via conductor and a columnar wiring line. The second vertical wiring line includes a columnar wiring line.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 29, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Mizuho KATSUTA
  • Publication number: 20210110959
    Abstract: An inductor component includes an inductor wiring line that extends in a plane, a magnetic layer that is formed of an organic resin containing a magnetic powder and that covers the inductor wiring line, and a nonmagnetic-body insulating layer that is formed of an organic resin containing an insulating nonmagnetic powder and that covers a principal surface of the magnetic layer. The inductor component further includes a close-contact layer that is located between the magnetic layer and the insulating layer and that contains the magnetic powder, the nonmagnetic powder, and an organic resin.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 15, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Kouji YAMAUCHI, Yoshimasa YOSHIOKA, Ryo KUDOU
  • Patent number: 10978238
    Abstract: A coil component including 2N coils, N being an integer of two or more, wherein the 2N coils are configured to form N pairs, and wherein when coils other than a first coil and a second coil forming one of the N pairs are defined as the other coils, a magnetic coupling between the first coil and the second coil is stronger than a magnetic coupling between the first coil and each of the other coils.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: April 13, 2021
    Assignee: Murata Manuufacturing Co., Ltd.
    Inventors: Yoshimasa Yoshioka, Akinori Hamada, Atsuo Hirukawa
  • Publication number: 20210104354
    Abstract: In an inductor component, a first magnetic layer thickness of the first magnetic layer as a measurement in the normal direction is smaller than a second magnetic layer thickness of the second magnetic layer as a measurement in the normal direction. An inductor wiring thickness of the inductor wiring as a measurement in the normal direction is from larger than 0.5 times a vertical wiring thickness of the vertical wiring as a measurement in the normal direction to smaller than 1.5 times the vertical wiring thickness.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 8, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Kouji YAMAUCHI, Riku KANEMOTO, Katsufumi SASAKI
  • Publication number: 20210104353
    Abstract: An inductor component includes a main body, a first inductor wiring located inside the main body and extending on a virtual plane, and a second inductor wiring located inside the main body and extending in parallel to the virtual plane. The inductor component includes a third inductor wiring located between the first inductor wiring and the second inductor wiring inside the main body and extending in parallel to the virtual plane. The inductor component includes vertical wirings passing through the inside of the main body from each of the first to third inductor wirings to a surface of the main body in a direction perpendicular to the virtual plane. The third inductor wiring is a low-resistance inductor wiring having a DC electrical resistance smaller than those of the first inductor wiring and the second inductor wiring.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 8, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Kouji YAMAUCHI, Yoshimasa YOSHIOKA, Keisuke KUNIMORI
  • Patent number: 10952326
    Abstract: A printed wiring board comprises a sheet-shaped core base material containing a magnetic material, a coil disposed inside the core base material, and an external circuit layer disposed on at least one of first and second surfaces of the core base material opposite to each other.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: March 16, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Akinori Hamada, Yoshimasa Yoshioka, Yoshinori Taguchi, Ryuichiro Tominaga
  • Publication number: 20210074467
    Abstract: An inductor component that includes an element body; a coil wiring line that is arranged parallel to a first main surface of the element body inside the element body; and a first vertical wiring line and a second vertical wiring line that are buried inside the element body so that end surfaces thereof are exposed from the first main surface of the element body and that are electrically connected to the coil wiring line. In a first cross section that is perpendicular to a direction in which the coil wiring line extends and intersects the first vertical wiring line, a top surface of the coil wiring line contacts a bottom surface of the first vertical wiring line and the top surface of the coil wiring line is substantially shaped like a convex surface.
    Type: Application
    Filed: July 15, 2020
    Publication date: March 11, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Ryuichiro TOMINAGA, Yoshimasa YOSHIOKA
  • Publication number: 20210065964
    Abstract: An electronic component includes a composite body composed of a composite material of a resin and a magnetic metal powder and a metal film disposed on an outer surface of the composite body. The magnetic metal powder contains Fe. The metal film mainly contains Cu, further contains Fe, and is in contact with the resin and the magnetic metal powder.
    Type: Application
    Filed: August 17, 2020
    Publication date: March 4, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Shinji OTANI, Hiroki IMAEDA, Namiko SASAJIMA, Tomohiro SUNAGA, Masami OKADO, Yoshimasa YOSHIOKA
  • Publication number: 20210065952
    Abstract: An electronic component includes a composite body composed of a composite material of a resin and a magnetic metal powder and a metal film disposed on an outer surface of the composite body. The magnetic metal powder contains Fe. The metal film mainly contains Ni and is in contact with the resin and the magnetic metal powder.
    Type: Application
    Filed: August 17, 2020
    Publication date: March 4, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Shinji OTANI, Hiroki IMAEDA, Namiko SASAJIMA, Tomohiro SUNAGA, Masami OKADO, Yoshimasa YOSHIOKA
  • Publication number: 20210043367
    Abstract: An inductor component in which degradation of the insulation property, the inductance acquisition efficiency, and mechanical strength is suppressed. An inductor component includes a flat plate-shaped main body containing magnetic powder and a resin piece containing the magnetic powder; an inductor wire arranged in the main body; and an external terminal electrically connected to the inductor wire and exposed from a main surface of the main body. An average particle size X of the magnetic powder, a thickness T orthogonal to the main surface of the main body, and a first arithmetic mean roughness Ra1 of a part of a straight line on the main surface passing through the external terminal and excluding a part overlapping with the external terminal satisfying Formula (1): X/10?Ra1?T/10 . . . Formula (1).
    Type: Application
    Filed: August 5, 2020
    Publication date: February 11, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Kouji YAMAUCHI, Akinori HAMADA, Daisuke KURAFUJI
  • Publication number: 20210020326
    Abstract: A base includes a main body and a multilayer metal film disposed on the main body. The multilayer metal film includes a first metal film disposed on the main body, the first metal film having conductivity, second metal film on the first metal film and above the main body, the second metal film having resistance to solder leaching, and a third metal film on the second metal film, the third metal film having wettability. The third metal film includes an inwardly extended portion extending between the second metal film and the main body.
    Type: Application
    Filed: June 2, 2020
    Publication date: January 21, 2021
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Namiko SASAJIMA, Hiroki IMAEDA, Masami OKADO, Shinji OTANI, Tomohiro SUNAGA, Yoshimasa YOSHIOKA
  • Publication number: 20200395165
    Abstract: An inductor component includes a multilayer body including a magnetic layer and a spiral wiring line disposed in the multilayer body. The magnetic layer includes a base resin, a metal magnetic powder, and a non-magnetic powder. The base resin has voids, and the metal magnetic powder and the non-magnetic powder are contained in the base resin. There is a particle of the metal magnetic powder that is in contact with at least one of the voids and with the non-magnetic powder.
    Type: Application
    Filed: April 17, 2020
    Publication date: December 17, 2020
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Naoya NOO, Yoshimasa YOSHIOKA, Kouji YAMAUCHI, Akinori HAMADA
  • Publication number: 20200381158
    Abstract: An inductor component comprising a laminated body having a magnetic layer containing a resin and a metal magnetic powder contained in the resin; an inductor wiring disposed in the laminated body; and an external terminal exposed from the laminated body. The external terminal includes a metal part and a resin part, and in a cross section of the external terminal, the resin part is enclosed in the metal part.
    Type: Application
    Filed: April 8, 2020
    Publication date: December 3, 2020
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Kouji YAMAUCHI, Hironori SUZUKI, Naoya NOO
  • Publication number: 20200373074
    Abstract: An inductor component comprising a main body part including a magnetic layer containing a resin and a metal magnetic powder contained in the resin; an inductor wiring disposed in the main body part; an external terminal exposed from the main body part; and a lead-out wiring electrically connecting the inductor wiring and the external terminal. Also, an outer surface of the external terminal includes a concave part.
    Type: Application
    Filed: April 8, 2020
    Publication date: November 26, 2020
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Shinji OTANI, Hiroki IMAEDA
  • Publication number: 20200373079
    Abstract: An inductor component including a spiral wiring wound into a planar shape. A first magnetic layer and a second magnetic layer are located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane of the wound spiral wiring. A vertical wiring extending from the spiral wiring in the normal direction penetrates the inside of the first magnetic layer or the second magnetic layer.
    Type: Application
    Filed: August 12, 2020
    Publication date: November 26, 2020
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA