Patents by Inventor Masashi Kamegaya

Masashi Kamegaya 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).

  • Router device and network system using the same
    Publication number: 20020027924
    Abstract: This invention provides a router device facilitating a management of connection of a managing person and assuring a communication quality of each of the connections. The router device 1 determines a communication quality required by the communication of the packet in reference to a protocol information, an application acknowledging information and a priority information, transmits the control packet having the determined communication quality set therein to another router device contained in the same connection and further performs a traffic control (a preferential processing of a packet or the like) satisfying a communication quality indicated by the transmitted or received control packet in respect to the packet of the aforesaid connection.
    Type: Application
    Filed: August 9, 2001
    Publication date: March 7, 2002
    Inventors: Hidehiro Fukushima, Kenji Kawakita, Naoya Ikeda, Masashi Kamegaya
  • Router device and network system using the same
    Patent number: 6292489
    Abstract: A router device facilitates management of connection of a manager and assures communication quality of each of the connections. The router device determines a communication quality required by the communication of the packet in reference to a protocol information, an application acknowledging information and a priority information, transmits the control packet having the determined communication quality set therein to another router device contained in the same connection and further performs a traffic control (a preferential processing of a packet or the like) satisfying a communication quality indicated by the transmitted or received control packet in respect to the packet of the aforesaid connection.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: September 18, 2001
    Assignee: Hitachi, Ltd.
    Inventors: Hidehiro Fukushima, Kenji Kawakita, Naoya Ikeda, Masashi Kamegaya
  • Router device and network system using the same
    Patent number: 6034964
    Abstract: A router device facilitates management of connection of a manager and assures communication quality of each of the connections. The router device determines a communication quality required by the communication of the packet in reference to a protocol information, an application acknowledging information and a priority information, transmits the control packet having the determined communication quality set therein to another router device contained in the same connection and further performs a traffic control (a preferential processing of a packet or the like) satisfying a communication quality indicated by the transmitted or received control packet in respect to the packet of the aforesaid connection.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: March 7, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Hidehiro Fukushima, Kenji Kawakita, Naoya Ikeda, Masashi Kamegaya