Patents by Inventor Yukie Sumikawa

Yukie Sumikawa 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).

  • Wireless base station, reference signal supply device, and wireless base station system
    Patent number: 9131437
    Abstract: A PLL circuit of a wireless base station receives a reference signal for synchronization, transmitted from a GPS unit to generate a synchronizing signal in synchronization with the reference signal. A GPS state management unit transmits state information representing a state of the GPS unit to an EMS as the state information of a device supplying a reference signal, mounted on its own device, according to SNMP that is a standard management protocol.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: September 8, 2015
    Assignee: KYOCERA CORPORATION
    Inventor: Yukie Sumikawa
  • WIRELESS BASE STATION, REFERENCE SIGNAL SUPPLY DEVICE, AND WIRELESS BASE STATION SYSTEM
    Publication number: 20120243529
    Abstract: A PLL circuit of a wireless base station receives a reference signal for synchronization, transmitted from a GPS unit to generate a synchronizing signal in synchronization with the reference signal. A GPS state management unit transmits state information representing a state of the GPS unit to an EMS as the state information of a device supplying a reference signal, mounted on its own device, according to SNMP that is a standard management protocol.
    Type: Application
    Filed: September 17, 2010
    Publication date: September 27, 2012
    Applicant: KYOCERA CORPORATION
    Inventor: Yukie Sumikawa