Patents by Inventor Toshiaki Edamatsu

Toshiaki Edamatsu 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).

  • Antenna device and communication apparatus
    Patent number: 8212731
    Abstract: There is provided an antenna device including a substrate, an earth section which is disposed on a portion of the substrate, a feed point which is disposed on the substrate, a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material, an inductor section which connects one end of the conductor pattern to the earth section, and a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the earth section.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: July 3, 2012
    Assignee: Mitsubishi Materials Corporation
    Inventors: Akihiro Bungo, Takao Yokoshima, Shinsuke Yukimoto, Toshiaki Edamatsu
  • ANTENNA DEVICE AND COMMUNICATION APPARATUS
    Publication number: 20110221642
    Abstract: There is provided an antenna device including a substrate, an earth section which is disposed on a portion of the substrate, a feed point which is disposed on the substrate, a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material, an inductor section which connects one end of the conductor pattern to the earth section, and a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the earth section.
    Type: Application
    Filed: May 26, 2010
    Publication date: September 15, 2011
    Applicant: Mitsubishi Materials Corporation
    Inventors: Akihiro Bungo, Takao Yokoshima, Shinsuke Yukimoto, Toshiaki Edamatsu
  • Antenna device and communication apparatus
    Patent number: 7859471
    Abstract: There is provided an antenna device including a substrate, an earth section which is disposed on a portion of the substrate, a feed point which is disposed on the substrate, a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material, an inductor section which connects one end of the conductor pattern to the earth section, and a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the earth section.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: December 28, 2010
    Assignee: Mitsubishi Materials Corporation
    Inventors: Akihiro Bungo, Takao Yokoshima, Shinsuke Yukimoto, Toshiaki Edamatsu
  • ANTENNA DEVICE AND COMMUNICATION APPARATUS
    Publication number: 20100289708
    Abstract: There is provided an antenna device including a substrate, an earth section which is disposed on a portion of the substrate, a feed point which is disposed on the substrate, a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material, an inductor section which connects one end of the conductor pattern to the earth section, and a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the earth section.
    Type: Application
    Filed: May 27, 2010
    Publication date: November 18, 2010
    Applicant: Mitsubishi Materials Corporation
    Inventors: Akihiro Bungo, Takao Yokoshima, Shinsuke Yukimoto, Toshiaki Edamatsu
  • Antenna device and communication apparatus
    Patent number: 7777677
    Abstract: There is provided an antenna device including a substrate, an earth section which is disposed on a portion of the substrate, a feed point which is disposed on the substrate, a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material, an inductor section which connects one end of the conductor pattern to the earth section, and a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the earth section.
    Type: Grant
    Filed: December 24, 2004
    Date of Patent: August 17, 2010
    Assignee: Mitsubishi Material Corporation
    Inventors: Akihiro Bungo, Takao Yokoshima, Shinsuke Yukimoto, Toshiaki Edamatsu
  • Antenna Device and Communication Apparatus
    Publication number: 20070285335
    Abstract: There is provided an antenna device including a substrate, an earth section which is disposed on a portion of the substrate, a feed point which is disposed on the substrate, a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material, an inductor section which connects one end of the conductor pattern to the earth section, and a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the earth section.
    Type: Application
    Filed: December 24, 2004
    Publication date: December 13, 2007
    Applicant: Mitsubishi Materials Corporation
    Inventors: Akihiro Bungo, Takao Yokoshima, Shinsuke Yukimoto, Toshiaki Edamatsu