Patents by Inventor Takamichi Kikkawa

Takamichi Kikkawa 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).

  • Patent number: 11558283
    Abstract: A counter router (20) assigns predetermined information specifying a terminal (40) and a sequence number according to the predetermined information to a packet which is received and destined for the terminal (40). Further, the counter router (20) transfers the packet to which the predetermined information and the sequence number are assigned, to a subscriber accommodation router (10) via a relay device. Further, the subscriber accommodation router (10) stores, in an aggregation server (30), the predetermined information and the sequence number which are assigned to the packet transferred from the counter router (20).
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: January 17, 2023
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Takamichi Kikkawa, Hiroshi Osawa, Satoshi Nishiyama, Masayuki Nishiki
  • Publication number: 20210006488
    Abstract: A counter router (20) assigns predetermined information specifying a terminal (40) and a sequence number according to the predetermined information to a packet which is received and destined for the terminal (40). Further, the counter router (20) transfers the packet to which the predetermined information and the sequence number are assigned, to a subscriber accommodation router (10) via a relay device. Further, the subscriber accommodation router (10) stores, in an aggregation server (30), the predetermined information and the sequence number which are assigned to the packet transferred from the counter router (20).
    Type: Application
    Filed: February 14, 2019
    Publication date: January 7, 2021
    Inventors: Takamichi Kikkawa, Hiroshi Osawa, Satoshi Nishiyama, Masayuki Nishiki