Patents by Inventor Akihiko Syoji

Akihiko Syoji 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).

  • Quadrature demodulator with phase-locked loop
    Patent number: 6466086
    Abstract: A quadrature demodulator applicable to digital communication and digital broadcast is provided, which simplifies the circuit configuration of a quadrature demodulator section and which reduces the labor or man-hours and the time required for adjusting the demodulation characteristic.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: October 15, 2002
    Assignee: NEC Corporation
    Inventor: Akihiko Syoji
  • Quadrature demodulator with phase-locked loop
    Publication number: 20010003432
    Abstract: A quadrature demodulator applicable to digital communication and digital broadcast is provided, which simplifies the circuit configuration of a quadrature demodulator section and which reduces the labor or man-hours and the time required for adjusting the demodulation characteristic.
    Type: Application
    Filed: December 7, 2000
    Publication date: June 14, 2001
    Applicant: NEC CORPORATION
    Inventor: Akihiko Syoji