Patents by Inventor Kouji Yukawa

Kouji Yukawa 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).

  • Control and supervisory signal transmission system for changing a duty factor of a control signal
    Patent number: 7146450
    Abstract: A parent station output section changes a duty factor between a period in which a control data signal is at a level (high-potential low-level) lower than a power supply voltage Vx but higher than high-level signal in other circuit portions and a subsequent period in which the control data signal is at the power supply voltage Vx level to convert the control data signal into a serial pulse voltage signal and output the voltage signal onto data signal lines D+ and D? in accordance with each data value in the control data signal inputted from a controller in each cycle of a clock.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: December 5, 2006
    Assignee: Anywire Corporation
    Inventors: Yoshitane Saitou, Kenji Nishikido, Kouji Yukawa, Yasushi Mori
  • Control and supervisory signal transmission system
    Publication number: 20030123590
    Abstract: A parent station output section changes a duty factor between a period in which a control data signal is at a level (high-potential low-level) lower than a power supply voltage Vx but higher than high-level signal in other circuit portions and a subsequent period in which the control data signal is at the power supply voltage Vx level to convert the control data signal into a serial pulse voltage signal and output the voltage signal onto data signal lines D+ and D− in accordance with each data value in the control data signal inputted from a controller in each cycle of a clock.
    Type: Application
    Filed: December 16, 2002
    Publication date: July 3, 2003
    Inventors: Yoshitane Saitou, Kenji Nishikido, Kouji Yukawa, Yasushi Mori