Patents by Inventor Ken Takebayashi

Ken Takebayashi 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 apparatus and communication apparatus control method
    Patent number: 8779888
    Abstract: A communication system is installed in information home appliances controlled by an operation system connected to an IP network. The communication system includes a first communication apparatus connected to the IP network; and a second communication apparatus connected to the first communication apparatus.
    Type: Grant
    Filed: August 13, 2009
    Date of Patent: July 15, 2014
    Assignee: Fujitsu Limited
    Inventors: Ken Takebayashi, Nobuko Kimura
  • Voice-quality evaluating system, communication system, test management apparatus, and test communication apparatus
    Publication number: 20110071820
    Abstract: A voice-quality evaluating system, in a secure network that allows a voice packet to pass, transmits and receives communication information for a voice quality testing between a test management apparatus and a test communication apparatus connected to the network and between the test communication apparatuses, for the voice quality testing between the test communication apparatuses arranged on the network. The voice-quality evaluating system embeds the communication information in a payload of the voice packet, and transmits and receives communication-information-embedded voice packet.
    Type: Application
    Filed: November 15, 2010
    Publication date: March 24, 2011
    Applicant: Fujitsu Limited
    Inventors: Nobuko Kimura, Kazuo Mizuta, Ken Takebayashi, Hiroshi Nishida
  • Communication apparatus and communication apparatus control method
    Publication number: 20090306793
    Abstract: A communication system is installed in information home appliances controlled by an operation system connected to an IP network. The communication system includes a first communication apparatus connected to the IP network; and a second communication apparatus connected to the first communication apparatus.
    Type: Application
    Filed: August 13, 2009
    Publication date: December 10, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Ken Takebayashi, Nobuko Kimura
  • Voice-quality evaluating system, communication system, test management apparatus, and test communication apparatus
    Publication number: 20070223454
    Abstract: A voice-quality evaluating system, in a secure network that allows a voice packet to pass, transmits and receives communication information for a voice quality testing between a test management apparatus and a test communication apparatus connected to the network and between the test communication apparatuses, for the voice quality testing between the test communication apparatuses arranged on the network. The voice-quality evaluating system embeds the communication information in a payload of the voice packet, and transmits and receives communication-information-embedded voice packet.
    Type: Application
    Filed: July 31, 2006
    Publication date: September 27, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Nobuko Kimura, Kazuo Mizuta, Ken Takebayashi, Hiroshi Nishida