Patents by Inventor Akihiro Masuda

Akihiro Masuda 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: 11594379
    Abstract: An electronic device includes a plurality of chip components and an insulating case. The chip components are arranged in a first direction. The case includes a plate portion, a first protrusion portion, and a second protrusion portion. The plate portion faces first side surfaces of the chip components. The first protrusion portion is formed along a plate-portion first side of the plate portion and protrudes from the plate portion toward a downside perpendicular to the first direction. The second protrusion portion is formed to the first protrusion portion in a second direction and protrudes from the plate portion toward the downside. A protrusion length of the first protrusion portion and the second protrusion portion from the plate portion toward the downside is smaller than a protrusion length of the chip component included in the chip components from the plate portion toward the downside.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: February 28, 2023
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Shinya Ito, Norihisa Ando, Tomoyuki Sasaki, Shinya Onodera
  • 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: 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
  • Publication number: 20220157533
    Abstract: An electronic device includes a plurality of chip components and an insulating case. The chip components are arranged in a first direction. The case includes a plate portion, a first protrusion portion, and a second protrusion portion. The plate portion faces first side surfaces of the chip components. The first protrusion portion is formed along a plate-portion first side of the plate portion and protrudes from the plate portion toward a downside perpendicular to the first direction. The second protrusion portion is formed to the first protrusion portion in a second direction and protrudes from the plate portion toward the downside. A protrusion length of the first protrusion portion and the second protrusion portion from the plate portion toward the downside is smaller than a protrusion length of the chip component included in the chip components from the plate portion toward the downside.
    Type: Application
    Filed: October 5, 2021
    Publication date: May 19, 2022
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Shinya ITO, Norihisa ANDO, Tomoyuki SASAKI, Shinya ONODERA
  • 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
  • Publication number: 20220148808
    Abstract: A ceramic electronic component including: a ceramic element body including an end surface extending along a first axis, and a side surface extending along a second axis and intersecting the end surface; an end-face electrode formed on the end surface of the ceramic element body; and a lead terminal connected to the end-face electrode by soldering. The lead terminal includes: an adjacent part overlapping the end-face electrode in a side view from the second axis; and an extension part extending from an end of the adjacent part in a direction away from a plane including the side surface. A first recess is formed at the extension part and is recessed in a direction away from a plane including the end surface, and the first recess exists at a position close to the end of the adjacent part.
    Type: Application
    Filed: October 6, 2021
    Publication date: May 12, 2022
    Applicants: TDK CORPORATION, TDK XIAMEN CO., LTD.
    Inventors: Masahiro MORI, Akihiro MASUDA, Shinya ITO, Norihisa ANDO
  • Patent number: 11222752
    Abstract: A ceramic electronic device includes a ceramic element body, a terminal electrode, and a lead terminal. The ceramic element body has an end surface and a lateral surface. The terminal electrode is formed on from the end surface to a part of the lateral surface of the ceramic element body. The lead terminal is connected to the terminal electrode by a connection member. The lead terminal includes an electrode facing portion disposed correspondingly to an end-surface electrode of the terminal electrode, an extension portion extending downward from a lower end of the electrode facing portion, and a step surface located between the electrode facing portion and the extension portion. The electrode facing portion has a first recess facing the terminal electrode. A part of the first recess reaches the step surface. Another part of the first recess is open outside the lead terminal.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 11, 2022
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Norihisa Ando, Shinya Ito
  • Publication number: 20210375547
    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: Application
    Filed: April 13, 2021
    Publication date: December 2, 2021
    Applicant: TDK CORPORATION
    Inventors: Shinya SAITO, Kenya TAMAKI, Norihisa ANDO, Shinya ITO, Akihiro MASUDA, Kosuke YAZAWA, Yoshiki SATOU, Katsumi KOBAYASHI, Toshihiro IGUCHI
  • 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
  • Patent number: 11158460
    Abstract: A ceramic electronic component of the present invention includes: a ceramic element body; a terminal electrode formed on from an end surface to a side surface of the ceramic element body; and a lead terminal joined to the terminal electrode by a solder. A fillet of the solder is formed between the terminal electrode of a side surface at the ceramic element body and the lead terminal, and a coating layer is formed on a surface of the lead terminal that is in contact with the solder. The coating layer is formed of a metal component having a contact angle with the solder smaller than that of the lead terminal.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: October 26, 2021
    Assignee: TDK CORPORATION
    Inventors: Akihiro Masuda, Norihisa Ando, Shinya Ito
  • Patent number: 11140781
    Abstract: An electronic device includes chip components, a terminal connection body, conductive terminals, and a support member. Each of the chip components has a pair of end surfaces on which terminal electrodes are formed. The terminal connection body connects the terminal electrodes on one side of the chip components arranged next to each other in a parallel direction to the end surfaces. Each of the conductive terminals includes a connection part and a mount part. The connection part is connected with the terminal electrode of either of the chip components located on both ends of the chip components connected in series via the terminal connection body. The mount part faces the connection part and is connected with a mount board. The support member is disposed between the connection parts and the mount parts. The chip components are arranged so that the end surfaces face the mount board.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: October 5, 2021
    Assignee: TDK CORPORATION
    Inventors: Kosuke Yazawa, Norihisa Ando, Shinya Ito, Akihiro Masuda
  • Publication number: 20210225589
    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: Application
    Filed: December 23, 2020
    Publication date: July 22, 2021
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Shinya ITO, Norihisa ANDO, Kosuke YAZAWA, Yoshiki SATOU, Katsumi KOBAYASHI, Koji UTSUI, Koji KANEKO
  • Publication number: 20210125781
    Abstract: A ceramic electronic device includes a ceramic element body, a terminal electrode, and a lead terminal. The ceramic element body has an end surface and a lateral surface. The terminal electrode is formed on from the end surface to a part of the lateral surface of the ceramic element body. The lead terminal is connected to the terminal electrode by a connection member. The lead terminal includes an electrode facing portion disposed correspondingly to an end-surface electrode of the terminal electrode, an extension unit extending downward from a lower end of the electrode facing portion, and a step surface located between the electrode facing portion and the extension unit. The electrode facing portion has a recess dented in a direction away from the terminal electrode. A center of the recess is located below a center of the electrode facing portion in a height direction.
    Type: Application
    Filed: October 5, 2020
    Publication date: April 29, 2021
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Norihisa ANDO, Shinya ITO
  • Publication number: 20210125782
    Abstract: A ceramic electronic device includes a ceramic element body, a terminal electrode, and a lead terminal. The ceramic element body has an end surface and a lateral surface. The terminal electrode is formed on from the end surface to a part of the lateral surface of the ceramic element body. The lead terminal is connected to the terminal electrode by a connection member. The lead terminal includes an electrode facing portion disposed correspondingly to an end-surface electrode of the terminal electrode, an extension portion extending downward from a lower end of the electrode facing portion, and a step surface located between the electrode facing portion and the extension portion. The electrode facing portion has a first recess facing the terminal electrode. A part of the first recess reaches the step surface. Another part of the first recess is open outside the lead terminal.
    Type: Application
    Filed: October 5, 2020
    Publication date: April 29, 2021
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Norihisa ANDO, Shinya ITO
  • Publication number: 20210090805
    Abstract: A ceramic electronic component of the present invention includes: a ceramic element body; a terminal electrode formed on from an end surface to a side surface of the ceramic element body; and a lead terminal joined to the terminal electrode by a solder. A fillet of the solder is formed between the terminal electrode of a side surface at the ceramic element body and the lead terminal, and a coating layer is formed on a surface of the lead terminal that is in contact with the solder. The coating layer is formed of a metal component having a contact angle with the solder smaller than that of the lead terminal.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 25, 2021
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Norihisa ANDO, Shinya ITO
  • Publication number: 20210043382
    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: Application
    Filed: August 10, 2020
    Publication date: February 11, 2021
    Applicant: TDK CORPORATION
    Inventors: Akihiro MASUDA, Norihisa ANDO, Shinya ITO, Kosuke YAZAWA, Yoshiki SATOU, Katsumi KOBAYASHI
  • Publication number: 20200294719
    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: Application
    Filed: March 12, 2020
    Publication date: September 17, 2020
    Applicant: TDK Corporation
    Inventors: Akihiro MASUDA, Norihisa ANDO, Shinya ITO, Kosuke YAZAWA, Yoshiki SATOU, Katsumi KOBAYASHI
  • Publication number: 20200203076
    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: Application
    Filed: December 23, 2019
    Publication date: June 25, 2020
    Applicant: TDK CORPORATION
    Inventors: Norihisa ANDO, Shinya ITO, Kosuke YAZAWA, Akihiro MASUDA, Yoshiki SATOU, Katsumi KOBAYASHI
  • Publication number: 20200128674
    Abstract: An electronic device includes chip components, a terminal connection body, conductive terminals, and a support member. Each of the chip components has a pair of end surfaces on which terminal electrodes are formed. The terminal connection body connects the terminal electrodes on one side of the chip components arranged next to each other in a parallel direction to the end surfaces. Each of the conductive terminals includes a connection part and a mount part. The connection part is connected with the terminal electrode of either of the chip components located on both ends of the chip components connected in series via the terminal connection body. The mount part faces the connection part and is connected with a mount board. The support member is disposed between the connection parts and the mount parts. The chip components are arranged so that the end surfaces face the mount board.
    Type: Application
    Filed: October 22, 2019
    Publication date: April 23, 2020
    Applicant: TDK CORPORATION
    Inventors: Kosuke YAZAWA, Norihisa ANDO, Shinya ITO, Akihiro MASUDA