Patents by Inventor Takuyuki BABA

Takuyuki BABA 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: 11114228
    Abstract: A magnetic compound having a small dielectric loss and an antenna constituted by the magnetic compound and an electronic device incorporating the antenna are provided by a metal magnetic powder which is well dispersed in a resin having small dielectric loss, and a magnetic powder composite including: a metal magnetic powder; and one or more elements selected from carboxylic acid or its anhydride, aromatic carboxylic acid ester, and a derivative thereof, having a property that real part ?? permeability is 1.45 or more, tan ?? is 0.1 or less, tan ?? is 0.05 or less at a measuring frequency of 2 GHz, when a magnetic powder composite is prepared by adding 5 parts by mass of one or more elements selected from the carboxylic acid or its anhydride, the aromatic carboxylic acid ester, and the derivative thereof to 100 parts by mass of the metal magnetic powder.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: September 7, 2021
    Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Toshihiko Ueyama, Masahiro Gotoh, Takayuki Yoshida, Takuyuki Baba
  • Patent number: 11056257
    Abstract: An object is to provide a magnetic compound excellent in high frequency properties and excellent in mechanical strength, and its related items, using the polyarylene sulfide resin, and to provide a technique regarding the magnetic compound having a metal magnetic powder and a polyarylene sulfide resin, and satisfying both mechanical strength and high frequency properties.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: July 6, 2021
    Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Takayuki Yoshida, Masahiro Gotoh, Toshihiko Ueyama, Takuyuki Baba, Toru Suzuki, Koji Tanaka
  • Publication number: 20180218814
    Abstract: An object is to provide a magnetic compound excellent in high frequency properties and excellent in mechanical strength, and its related items, using the polyarylene sulfide resin, and to provide a technique regarding the magnetic compound having a metal magnetic powder and a polyarylene sulfide resin, and satisfying both mechanical strength and high frequency properties.
    Type: Application
    Filed: June 1, 2016
    Publication date: August 2, 2018
    Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Takayuki YOSHIDA, Masahiro GOTOH, Toshihiko UEYAMA, Takuyuki BABA, Toru SUZUKI, Koji TANAKA
  • Publication number: 20180151279
    Abstract: A magnetic compound having a small dielectric loss and an antenna constituted by the magnetic compound and an electronic device incorporating the antenna are provided by a metal magnetic powder which is well dispersed in a resin having small dielectric loss, and a magnetic powder composite including: a metal magnetic powder; and one or more elements selected from carboxylic acid or its anhydride, aromatic carboxylic acid ester, and a derivative thereof, having a property that real part ?? permeability is 1.45 or more, tan ?? is 0.1 or less, tan ?? is 0.05 or less at a measuring frequency of 2 GHz, when a magnetic powder composite is prepared by adding 5 parts by mass of one or more elements selected from the carboxylic acid or its anhydride, the aromatic carboxylic acid ester, and the derivative thereof to 100 parts by mass of the metal magnetic powder.
    Type: Application
    Filed: June 1, 2016
    Publication date: May 31, 2018
    Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Toshihiko UEYAMA, Masahiro GOTOH, Takayuki YOSHIDA, Takuyuki BABA
  • Publication number: 20180033530
    Abstract: An object of the present invention is to provide a magnetic compound excellent in high-frequency property and excellent in mechanical strength and related materials thereof by using at least one of resins selected from syndiotactic polystyrene (SPS) resin and modified polyphenylene ether (m-PPE) resin, including at least one of resins selected from syndiotactic polystyrene (SPS) resin and modified polyphenylene ether (m-PPE) resin, wherein content of the resin is 21 mass % or more.
    Type: Application
    Filed: February 24, 2016
    Publication date: February 1, 2018
    Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Toshihiko UEYAMA, Masahiro GOTOH, Takayuki YOSHIDA, Takuyuki BABA