Patents by Inventor Kosuke YAZAWA

Kosuke YAZAWA 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: 12062495
    Abstract: An electronic device includes a chip component including a terminal electrode, a case having an accommodation recess accommodating the chip component, a conductive terminal attached to the case and connected to the terminal electrode, and a case cover disposed on an opening-edge surface of the case so as to cover the accommodation recess. The opening-edge surface has an opening-edge recess at least partly covered by the case cover. The opening-edge recess and the case cover have a space therebetween. The space is filled with a resin.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: August 13, 2024
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Takaaki Sato, Norihisa Ando, Shinya Ito, Kosuke Yazawa
  • Patent number: 12002622
    Abstract: A method for producing a resin mold-type electronic component in which an electronic component main body is covered with a mold resin includes preparing a first mold resin provided with a metal terminal, having an accommodating portion for the electronic component main body, and having a joining material filling space to be filled with a joining material, accommodating the electronic component main body in the accommodating portion of the first mold resin, and joining the metal terminal and a terminal electrode of the electronic component main body by filling the joining material filling space with the joining material.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: June 4, 2024
    Assignee: TDK CORPORATION
    Inventor: Kosuke Yazawa
  • Patent number: 11984260
    Abstract: An electronic device includes a chip component, a conductive terminal, a case, and a fixation part. The chip component includes a terminal electrode on an end surface of the chip component. The conductive terminal is connected to the terminal electrode. The case includes an accommodation recess for accommodating the chip component. The fixation part fixes the case to an installation portion.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: May 14, 2024
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Shinya Ito, Norihisa Ando, Kosuke Yazawa, Yoshiki Satou, Katsumi Kobayashi, Koji Utsui, Koji Kaneko
  • Patent number: 11972902
    Abstract: An electronic component with a metal terminal includes a plurality of electronic components each including an element body and a pair of external electrodes provided on each of a pair of end surfaces facing each other in an X direction in the element body, and disposed in a Y direction, and a pair of plate-shaped metal terminals each including a plurality of joint portions to which external electrodes of the plurality of electronic components are joined, and a leg portion provided to protrude further than the electronic component in a Z direction, wherein a portion of the metal terminal that extends in the Y direction to straddle the plurality of joint portions is an easily deformable portion made of a second metal material having a Young's modulus smaller than that of a first metal material constituting the other portion.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: April 30, 2024
    Assignee: TDK CORPORATION
    Inventors: Kosuke Yazawa, Masatsugu Yamamoto, Yosuke Kobayashi
  • Patent number: 11961676
    Abstract: An electronic device 10 comprises chip capacitors 20a and 20b, an accommodation recess 62 accommodating the chip capacitors 20a and 20b, and a case 60 including a protrusion 64 partitioning the accommodation recess 62 into a first accommodation space 62a and a second accommodation space 62b along the X-axis direction. The protrusion 64 includes a first protrusion 64a and a second protrusion 64b disposed away from the first protrusion 64a along the Y-axis direction. The first protrusion 64a and the second protrusion 64b are disposed with a communication space 69 provided between the first protrusion 64a and the second protrusion 64b, so that the first accommodation space 62a and the second accommodation space 62b communicate.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: April 16, 2024
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Shinya Ito, Norihisa Ando, Kosuke Yazawa, Yoshiki Satou, Katsumi Kobayashi
  • Publication number: 20230420188
    Abstract: An electronic device comprises a chip component including a terminal electrode, a case having an accommodation recess accommodating the chip component, a conductive terminal attached to the case and connected to the terminal electrode, and a case cover disposed on an opening-edge surface of the case so as to cover the accommodation recess. The opening-edge surface has an opening-edge recess at least partly covered by the case cover. The opening-edge recess and the case cover have a space therebetween. The space is filled with a resin.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 28, 2023
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Takaaki SATO, Norihisa ANDO, Shinya ITO, Kosuke YAZAWA
  • Publication number: 20230386747
    Abstract: An electronic device includes a chip component, a case, a resin, and a conductive terminal. The chip component includes a terminal electrode. The case includes an accommodation recess for accommodating the chip component. The resin is filled in the accommodation recess. The conductive terminal is attachable to the case. The conductive terminal includes an inner electrode portion disposed in the accommodation recess and connected to the terminal electrode. The inner electrode portion includes a space formation portion forming a filling space for a conductive agent with an outer surface of the chip component at a position closer to a bottom surface than to an opening of the accommodation recess.
    Type: Application
    Filed: April 20, 2023
    Publication date: November 30, 2023
    Applicant: TDK CORPORATION
    Inventors: Takaaki SATO, Akihiro MASUDA, Norihisa ANDO, Shinya ITO, Kosuke YAZAWA
  • Patent number: 11798743
    Abstract: An electronic device includes chip components, a case, conductive terminals, and a fuse. The chip components each include a terminal electrode. The case includes accommodation recesses for accommodating the chip components. The conductive terminals are fixed to the case and respectively connected to the terminal electrodes of the chip components. The fuse electrically connects the chip components.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: October 24, 2023
    Assignee: TDK CORPORATION
    Inventors: Shinya Saito, Kenya Tamaki, Norihisa Ando, Shinya Ito, Akihiro Masuda, Kosuke Yazawa, Yoshiki Satou, Katsumi Kobayashi, Toshihiro Iguchi
  • Patent number: 11646163
    Abstract: An electronic device includes first and second capacitors, a case, a coil, and first to fourth conductive terminals. The first capacitor includes first and second terminal electrodes. The second capacitor includes third and fourth terminal electrodes. The case includes an accommodation recess for accommodating the first and second capacitors. The coil is separated from the first and second capacitors by a part of the case and disposed outside the accommodation recess. The first terminal is connected to the first electrode and partly disposed on a mounting-side bottom surface of the case. The second terminal is connected to one end of the coil and the second electrode and partly disposed on the surface. The third terminal is connected to the other end of the coil and the third electrode and partly disposed on the surface. The fourth terminal is connected to the fourth electrode and partly disposed on the surface.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: May 9, 2023
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Shinya Ito, Norihisa Ando, Kosuke Yazawa, Yoshiki Satou, Katsumi Kobayashi, Toshihiro Iguchi, Kenya Tamaki, Shinya Saito
  • Publication number: 20230097139
    Abstract: An electronic component with a metal terminal includes a plurality of electronic components each including an element body and a pair of external electrodes provided on each of a pair of end surfaces facing each other in an X direction in the element body, and disposed in a Y direction, and a pair of plate-shaped metal terminals each including a plurality of joint portions to which external electrodes of the plurality of electronic components are joined, and a leg portion provided to protrude further than the electronic component in a Z direction, wherein a portion of the metal terminal that extends in the Y direction to straddle the plurality of joint portions is an easily deformable portion made of a second metal material having a Young's modulus smaller than that of a first metal material constituting the other portion.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 30, 2023
    Applicant: TDK CORPORATION
    Inventors: Kosuke YAZAWA, Masatsugu YAMAMOTO, Yosuke KOBAYASHI
  • Publication number: 20230010668
    Abstract: An electronic device 10 comprises chip capacitors 20a and 20b, an accommodation recess 62 accommodating the chip capacitors 20a and 20b, and a case 60 including a protrusion 64 partitioning the accommodation recess 62 into a first accommodation space 62a and a second accommodation space 62b along the X-axis direction. The protrusion 64 includes a first protrusion 64a and a second protrusion 64b disposed away from the first protrusion 64a along the Y-axis direction. The first protrusion 64a and the second protrusion 64b are disposed with a communication space 69 provided between the first protrusion 64a and the second protrusion 64b, so that the first accommodation space 62a and the second accommodation space 62b communicate.
    Type: Application
    Filed: June 23, 2022
    Publication date: January 12, 2023
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Shinya ITO, Norihisa ANDO, Kosuke YAZAWA, Yoshiki SATOU, Katsumi KOBAYASHI
  • Patent number: 11527361
    Abstract: An electronic component device includes an electronic component, a pair of metal terminals, a bonding member, and an expansion member having thermal expansibility. The electronic component includes an element body and a pair of external electrodes. The element body has a pair of end faces opposed to each other. The pair of external electrodes is disposed on the pair of end faces. The pair of metal terminals is electrically connected to the pair of external electrodes. The bonding member bonds one of the pair of external electrodes to one of the pair of metal terminals. The bonding member electrically connects the one of the pair of external electrodes to the one of the pair of metal terminals. The one of the pair of metal terminals includes an opposing face. The opposing face is a flat face.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: December 13, 2022
    Assignee: TDK CORPORATION
    Inventor: Kosuke Yazawa
  • Patent number: 11508521
    Abstract: A metal terminal-equipped electronic component includes: an electronic component having a terminal electrode; a conductive cloth member joined to the terminal electrode as a metal terminal; and a cushioning member supporting the electronic component and the cloth member, in which the cloth member is joined to at least a mounting surface of the cushioning member and a joint surface of the cushioning member to which the electronic component is joined, and the terminal electrode of the electronic component is joined to the cloth member on the joint surface of the cushioning member.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: November 22, 2022
    Assignee: TDK CORPORATION
    Inventor: Kosuke Yazawa
  • Patent number: 11495405
    Abstract: An electronic component has capacitor chips where terminal electrodes are formed on both end surfaces, individual metal terminals connected to the terminal electrodes, an insulation case accommodating the capacitor chips, and a connecting portion interconnecting a plurality of the insulation cases.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: November 8, 2022
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Norihisa Ando, Shinya Ito, Kosuke Yazawa, Yoshiki Satou, Katsumi Kobayashi
  • Patent number: 11367572
    Abstract: A conductive terminal includes an inner electrode part, an opening edge electrode part, and a lateral electrode part. The inner electrode part is connectable to a terminal electrode of a chip component by being inserted along an inner wall of an accommodation recess of a case. The opening edge electrode part is formed continuously to the inner electrode part. The lateral electrode part is formed continuously to the opening edge electrode part along an outer surface of the case. The inner electrode part includes a base part, a curved part, and a continuous boundary part. The base part continues to the opening edge electrode part. The curved part is formed near a tip of the base part and protrudes away from the lateral electrode part. The continuous boundary part is formed between the base part and the curved part and continuously connects them.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: June 21, 2022
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Norihisa Ando, Shinya Ito, Kosuke Yazawa, Yoshiki Satou, Katsumi Kobayashi
  • Patent number: 11335508
    Abstract: An electronic device including chip components each having a first terminal electrode and a second terminal electrode formed on both end faces, and a case provided with an accommodation recess in which the chip components are accommodated, and an opening edge face formed around an opening face of the accommodation recess. An individual metal terminal is attached to the case. The individual metal terminal includes an inner electrode part inserted along an inner side wall of the accommodation recess in the case for connecting to the first terminal electrode, an opening edge electrode part formed over the opening edge face to be continuous to the inner electrode part and a side electrode part formed along the outer side face of the case to be continuous to the opening edge electrode part.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: May 17, 2022
    Assignee: TDK CORPORATION
    Inventors: Norihisa Ando, Shinya Ito, Kosuke Yazawa, Akihiro Masuda, Yoshiki Satou, Katsumi Kobayashi
  • Patent number: 11302473
    Abstract: An electronic device includes a chip component and a metal terminal. The chip component has an element body where internal electrodes are laminated inside and a terminal electrode formed outside the element body and connected with end parts of the internal electrodes. The metal terminal is connected with the terminal electrode of the chip component. The metal terminal includes an electrode face portion and a mount portion. The electrode face portion is arranged correspondingly with an end surface of the terminal electrode. The mount portion is mounted on a mount surface. The electrode face portion is provided with an opening portion so that a part of the terminal electrode corresponding with at least a part of the internal electrodes is exposed to the outside.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: April 12, 2022
    Assignee: TDK CORPORATION
    Inventors: Norihisa Ando, Sunao Masuda, Masahiro Mori, Kayou Matsunaga, Kosuke Yazawa
  • Publication number: 20220028610
    Abstract: A method for producing a resin mold-type electronic component in which an electronic component main body is covered with a mold resin includes preparing a first mold resin provided with a metal terminal, having an accommodating portion for the electronic component main body, and having a joining material filling space to be filled with a joining material, accommodating the electronic component main body in the accommodating portion of the first mold resin, and joining the metal terminal and a terminal electrode of the electronic component main body by filling the joining material filling space with the joining material.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 27, 2022
    Applicant: TDK CORPORATION
    Inventor: Kosuke YAZAWA
  • Publication number: 20220013289
    Abstract: A metal terminal-equipped electronic component includes: an electronic component having a terminal electrode; a conductive cloth member joined to the terminal electrode as a metal terminal; and a cushioning member supporting the electronic component and the cloth member, in which the cloth member is joined to at least a mounting surface of the cushioning member and a joint surface of the cushioning member to which the electronic component is joined, and the terminal electrode of the electronic component is joined to the cloth member on the joint surface of the cushioning member.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 13, 2022
    Applicant: TDK CORPORATION
    Inventor: Kosuke YAZAWA
  • Publication number: 20210375553
    Abstract: An electronic device includes first and second capacitors, a case, a coil, and first to fourth conductive terminals. The first capacitor includes first and second terminal electrodes. The second capacitor includes third and fourth terminal electrodes. The case includes an accommodation recess for accommodating the first and second capacitors. The coil is separated from the first and second capacitors by a part of the case and disposed outside the accommodation recess. The first terminal is connected to the first electrode and partly disposed on a mounting-side bottom surface of the case. The second terminal is connected to one end of the coil and the second electrode and partly disposed on the surface. The third terminal is connected to the other end of the coil and the third electrode and partly disposed on the surface. The fourth terminal is connected to the fourth electrode and partly disposed on the surface.
    Type: Application
    Filed: April 13, 2021
    Publication date: December 2, 2021
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Shinya ITO, Norihisa ANDO, Kosuke YAZAWA, Yoshiki SATOU, Katsumi KOBAYASHI, Toshihiro IGUCHI, Kenya TAMAKI, Shinya SAITO