Patents by Inventor Masanori Eiri

Masanori Eiri 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).

  • Directive bar-type antenna
    Patent number: 8077105
    Abstract: Disclosed is a directional bar-type antenna which comprising a plurality of bar-shaped antenna elements including a core and a coil wound around the core. The first bar-shaped antenna element is disposed at a position of a mirror image of the second bar-shaped antenna element with respect to the core of the third bar-shaped antenna element. The first and second bar-shaped antenna elements is positioned such that one end of each of the first and second bar-shaped antenna elements is close to the third bar-shaped antenna element, and the other end is far from the third bar-shaped antenna element. In the present invention, a winding direction of the coil of the first bar-shaped antenna element is preferably identical to that of the coil of the second bar-shaped antenna element, and is opposite to that of the coil of the third bar-shaped antenna element.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: December 13, 2011
    Assignee: Toko Inc.
    Inventors: Masayuki Takahashi, Shuichi Ogata, Masanori Eiri, Kinya Kishita, Satoru Kimura
  • Directive Bar-Type Antenna
    Publication number: 20090251376
    Abstract: Disclosed is a directional bar-type antenna which comprising a plurality of bar-shaped antenna elements including a core and a coil wound around the core. The first bar-shaped antenna element is disposed at a position of a mirror image of the second bar-shaped antenna element with respect to the core of the third bar-shaped antenna element. The first and second bar-shaped antenna elements is positioned such that one end of each of the first and second bar-shaped antenna elements is close to the third bar-shaped antenna element, and the other end is far from the third bar-shaped antenna element. In the present invention, a winding direction of the coil of the first bar-shaped antenna element is preferably identical to that of the coil of the second bar-shaped antenna element, and is opposite to that of the coil of the third bar-shaped antenna element.
    Type: Application
    Filed: April 3, 2009
    Publication date: October 8, 2009
    Applicant: Toko, Inc.
    Inventors: Masayuki TAKAHASHI, Shuichi OGATA, Masanori EIRI, Kinya KISHITA, Satoru KIMURA