Patents by Inventor Masayuki Onuki

Masayuki Onuki 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).

  • Amplification device
    Patent number: 8558614
    Abstract: An amplification device that amplifies a signal, the amplification device includes an amplification unit that amplifies the signal using supplied power, a variable power supply unit that changes the power supplied to the amplification unit in accordance with an envelope of the signal, a radiation unit that radiates light onto the amplification unit, and a control unit that controls the light to be emitted from the radiation unit in accordance with slope of the envelope of the signal.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: October 15, 2013
    Assignee: Fujitsu Limited
    Inventors: Keiji Masuda, Yoshihiro Nozue, Masayuki Onuki
  • AMPLIFICATION DEVICE
    Publication number: 20120235738
    Abstract: An amplification device that amplifies a signal, the amplification device includes an amplification unit that amplifies the signal using supplied power, a variable power supply unit that changes the power supplied to the amplification unit in accordance with an envelope of the signal, a radiation unit that radiates light onto the amplification unit, and a control unit that controls the light to be emitted from the radiation unit in accordance with slope of the envelope of the signal.
    Type: Application
    Filed: March 15, 2012
    Publication date: September 20, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Keiji Masuda, Yoshihiro Nozue, Masayuki Onuki