Patents by Inventor Hideki Ariyoshi

Hideki Ariyoshi 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).

  • Communication quality measurement system, device, management server and method thereof
    Patent number: 8213327
    Abstract: A management server that includes a signal control unit for controlling a signal for a packet for measuring communication quality, and a signal communication quality measurement unit that measures communication quality of a signal based on a result of signal control by the signal control unit; and a communication quality measurement device includes a payload control unit for controlling payload of packets for communication quality measurement and a payload communication quality measurement unit that measures communication quality of payload based on a result of payload control by payload control unit.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: July 3, 2012
    Assignee: Fujitsu Limited
    Inventors: Hideki Ariyoshi, Kazuo Mizuta
  • Packet measuring system, packet measuring program, probe and packet measuring method
    Patent number: 7773528
    Abstract: A packet measuring system and method for sending and receiving a test packet between a plurality of probes located in networks of different protocols. The system includes a packet sending unit for embedding communication information used for a transmission quality measurement in a payload field of a test packet and sending the test packet to an opposite probe, and a packet extracting unit for receiving the test packet sent by the opposite probe and extracting the communication information from the payload field of the test packet.
    Type: Grant
    Filed: December 24, 2007
    Date of Patent: August 10, 2010
    Assignee: Fujitsu Limited
    Inventors: Hideki Ariyoshi, Kazuo Mizuta
  • COMMUNICATION QUALITY MEASUREMENT SYSTEM, DEVICE, MANAGEMENT SERVER AND METHOD THEREOF
    Publication number: 20090213746
    Abstract: A management server that includes a signal control unit for controlling a signal for a packet for measuring communication quality, and a signal communication quality measurement unit that measures communication quality of a signal based on a result of signal control by the signal control unit; and a communication quality measurement device includes a payload control unit for controlling payload of packets for communication quality measurement and a payload communication quality measurement unit that measures communication quality of payload based on a result of payload control by payload control unit.
    Type: Application
    Filed: February 25, 2009
    Publication date: August 27, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Hideki Ariyoshi, Kazuo Mizuta
  • PACKET MEASURING SYSTEM, PACKET MEASURING PROGRAM, PROBE AND PACKET MEASURING METHOD
    Publication number: 20080159168
    Abstract: A packet measuring system and method for sending and receiving a test packet between a plurality of probes located in networks of different protocols. The system includes a packet sending unit for embedding communication information used for a transmission quality measurement in a payload field of a test packet and sending the test packet to an opposite probe, and a packet extracting unit for receiving the test packet sent by the opposite probe and extracting the communication information from the payload field of the test packet.
    Type: Application
    Filed: December 24, 2007
    Publication date: July 3, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Hideki ARIYOSHI, Kazuo MIZUTA