Patents by Inventor Maki Mannen

Maki Mannen 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).

  • Coil component and its manufacturing method
    Patent number: 11676755
    Abstract: Disclosed herein is a coil component that includes a magnetic element body, a coil conductor embedded in the magnetic element body and having an end portion exposed from the magnetic element body, and a terminal electrode connected to the end portion of the coil conductor. The terminal electrode includes a conductive resin contacting the end portion of the coil conductor and containing conductive particles and a resin material, and a metal film covering the conductive resin. The end portion of the coil conductor has an exposed surface exposed from the magnetic element body and contacting the conductive resin and a non-exposed surface covered with the magnetic element body. The exposed surface is larger in surface roughness than the non-exposed surface.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: June 13, 2023
    Assignee: TDK CORPORATION
    Inventors: Toru Tonogai, Yuichi Oyanagi, Kyosuke Inui, Maki Mannen
  • Coil component and its manufacturing method
    Patent number: 11664150
    Abstract: Disclosed herein is a coil component that includes a magnetic element body, a coil conductor embedded in the magnetic element body and having an end portion exposed from the magnetic element body, and a terminal electrode connected to the end portion of the coil conductor. The terminal electrode includes a conductive resin contacting the end portion of the coil conductor and containing conductive particles and a resin material, and a metal film covering the conductive resin. The conductive resin including a first conductive resin contacting the end portion of the coil conductor, and a second conductive resin contacting the metal film without contacting the end portion of the coil conductor. A specific surface area of the conductive particles contained in the first conductive resin is larger than that of a conductive particles contained in the second conductive resin.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: May 30, 2023
    Assignee: TDK CORPORATION
    Inventors: Toru Tonogai, Yuichi Oyanagi, Kyosuke Inui, Maki Mannen
  • COIL COMPONENT AND ITS MANUFACTURING METHOD
    Publication number: 20200335264
    Abstract: Disclosed herein is a coil component that includes a magnetic element body, a coil conductor embedded in the magnetic element body and having an end portion exposed from the magnetic element body, and a terminal electrode connected to the end portion of the coil conductor. The terminal electrode includes a conductive resin contacting the end portion of the coil conductor and containing conductive particles and a resin material, and a metal film covering the conductive resin. The end portion of the coil conductor has an exposed surface exposed from the magnetic element body and contacting the conductive resin and a non-exposed surface covered with the magnetic element body. The exposed surface is larger in surface roughness than the non-exposed surface.
    Type: Application
    Filed: April 6, 2020
    Publication date: October 22, 2020
    Applicant: TDK CORPORATION
    Inventors: Toru TONOGAI, Yuichi Oyanagi, Kyosuke Inui, Maki Mannen
  • COIL COMPONENT AND ITS MANUFACTURING METHOD
    Publication number: 20200335262
    Abstract: Disclosed herein is a coil component that includes a magnetic element body, a coil conductor embedded in the magnetic element body and having an end portion exposed from the magnetic element body, and a terminal electrode connected to the end portion of the coil conductor. The terminal electrode includes a conductive resin contacting the end portion of the coil conductor and containing conductive particles and a resin material, and a metal film covering the conductive resin. The conductive resin including a first conductive resin contacting the end portion of the coil conductor, and a second conductive resin contacting the metal film without contacting the end portion of the coil conductor. A specific surface area of the conductive particles contained in the first conductive resin is larger than that of a conductive particles contained in the second conductive resin.
    Type: Application
    Filed: April 6, 2020
    Publication date: October 22, 2020
    Applicant: TDK CORPORATION
    Inventors: Toru Tonogai, Yuichi Oyanagi, Kyosuke Inui, Maki Mannen