Patents by Inventor Yuta Nakaya

Yuta Nakaya 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).

  • Communications apparatus using adaptive antenna
    Patent number: 7499727
    Abstract: A communications apparatus using an adaptive antenna having in a high frequency unit an antenna unit including a plurality of antenna elements and a plurality of adjustment units, provided corresponding to the plurality of antenna elements, for adjusting directivity of an entire antenna, the communications apparatus including an interference wave element extraction unit for extracting an interference wave element other than a requested signal from a received signal by the antenna unit when an adjustment value of the adjustment unit is perturbed in a one symbol time, and an adaptive control unit for performing adaptive control on the adjustment value such that the extracted interference wave element can be minimized.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: March 3, 2009
    Assignee: Fujitsu Limited
    Inventors: Yuta Nakaya, Takeshi Toda, Yasuyuki Oishi, Shinsuke Hara
  • Communications apparatus using adaptive antenna
    Publication number: 20040139897
    Abstract: A communications apparatus using an adaptive antenna having in a high frequency unit an antenna unit including a plurality of antenna elements and a plurality of adjustment units, provided corresponding to the plurality of antenna elements, for adjusting directivity of an entire antenna, comprising:
    Type: Application
    Filed: January 9, 2004
    Publication date: July 22, 2004
    Inventors: Yuta Nakaya, Takeshi Toda, Yasuyuki Oishi, Shinsuke Hara