Patents by Inventor Takehisa TAMURA

Takehisa TAMURA 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: 20180082792
    Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the third direction is shorter than that of the element body in the first direction and is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. Each of the first external electrodes includes a first conductor part disposed on one main surface and a second conductor part disposed on the end surface and coupled to the first conductor part. The porosity of the first conductor part is smaller than that of the second conductor part.
    Type: Application
    Filed: September 13, 2017
    Publication date: March 22, 2018
    Applicant: TDK CORPORATION
    Inventors: Fumiaki SATOH, Takehisa TAMURA, Yuma HATTORI, Toru ONOUE, Daisuke HIMETA, Ken MORITA, Takuto OKAMOTO
  • Publication number: 20180082793
    Abstract: An element body includes first and second end surfaces opposing each other in a first direction, first and second side surfaces opposing each other in a second direction, and first and second principal surfaces opposing each other in a third direction. The length of the element body in the second direction is shorter than that of the element body in the first direction, and the length of the element body in the third direction is shorter than that of the element body in the second direction. A pair of first external electrodes is disposed at both ends of the element body in the first direction. A second external electrode is disposed on the element body and positioned between the pair of first external electrodes. The second external electrode includes a first conductor part disposed on the first side surface. A depression is formed in the first conductor part.
    Type: Application
    Filed: September 13, 2017
    Publication date: March 22, 2018
    Applicant: TDK CORPORATION
    Inventors: Fumiaki SATOH, Takehisa TAMURA, Yuma HATTORI, Toru ONOUE, Daisuke HIMETA, Ken MORITA, Takuto OKAMOTO
  • Patent number: 9748042
    Abstract: An element body includes principal surfaces opposing each other in a first direction, first side surfaces opposing each other in a second direction perpendicular to the first direction, and second side surfaces opposing each other in a third direction perpendicular to the first and second directions. A length in the first direction of the element body is smaller than a length in the second direction of the element body and a length in the third direction of the element body. Each of the first and second terminal signal electrodes and the terminal ground electrode includes an electrode portion disposed on the principal surface. A thickness of the electrode portion of the terminal ground electrode is smaller than a thickness of the electrode portion of the first terminal signal electrode and smaller than a thickness of the electrode portion of the second terminal signal electrode.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: August 29, 2017
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Takehisa Tamura, Tomonori Sugiyama
  • Publication number: 20170092423
    Abstract: An element body includes a first principal surface and a second principal surface opposing each other in a first direction. A first terminal electrode is disposed on the first principal surface side of the element body. A second terminal electrode is disposed on the second principal surface side of the element body. The first terminal electrode includes a first sintered metal layer formed on the first principal surface; and a first plating layer formed on the first sintered metal layer and including base metal. The second terminal electrode includes a second sintered metal layer formed on the second principal surface, a second plating layer formed on the second sintered metal layer and including base metal, and a solder layer formed on the second plating layer and including Sn and a metal having a higher melting point than the melting point of Sn.
    Type: Application
    Filed: September 20, 2016
    Publication date: March 30, 2017
    Applicant: TDK CORPORATION
    Inventors: Masahiro IWAMA, Takehisa TAMURA, Atsushi SATO, Tomonori OI
  • Publication number: 20160240319
    Abstract: An element body includes principal surfaces opposing each other in a first direction, first side surfaces opposing each other in a second direction perpendicular to the first direction, and second side surfaces opposing each other in a third direction perpendicular to the first and second directions. A length in the first direction of the element body is smaller than a length in the second direction of the element body and a length in the third direction of the element body. Each of the first and second terminal signal electrodes and the terminal ground electrode includes an electrode portion disposed on the principal surface. A thickness of the electrode portion of the terminal ground electrode is smaller than a thickness of the electrode portion of the first terminal signal electrode and smaller than a thickness of the electrode portion of the second terminal signal electrode.
    Type: Application
    Filed: February 8, 2016
    Publication date: August 18, 2016
    Applicant: TDK CORPORATION
    Inventors: Toru ONOUE, Takehisa TAMURA, Tomonori SUGIYAMA