Patents by Inventor Miho Uotani

Miho Uotani 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).

  • Network unauthorized access preventing system and network unauthorized access preventing apparatus
    Patent number: 7552478
    Abstract: There is disclosed a network unauthorized access preventing system in which in a network to which one or more information processing apparatuses and a network unauthorized access preventing apparatus are connected, an unauthorized apparatus which is not authorized to access the network is prevented from accessing the network. The system includes an information processing apparatus which sends a correct ARP response packet to the unauthorized apparatus in response to an ARP request broadcast from the unauthorized apparatus, and a network unauthorized access preventing apparatus which sends an ARP response packet containing a false MAC address as the MAC address of the information processing apparatus to the unauthorized apparatus immediately after the correct ARP response packet is sent to the unauthorized apparatus.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: June 23, 2009
    Assignee: NEC Corporation
    Inventors: Yoshinaga Seki, Shinji Hasei, Miho Uotani, Tatsuya Makino
  • Network unauthorized access preventing system and network unauthorized access preventing apparatus
    Publication number: 20050050365
    Abstract: There is disclosed a network unauthorized access preventing system in which in a network to which one or more information processing apparatuses and a network unauthorized access preventing apparatus are connected, an unauthorized apparatus which is not authorized to access the network is prevented from accessing the network. The system includes an information processing apparatus which sends a correct ARP response packet to the unauthorized apparatus in response to an ARP request broadcast from the unauthorized apparatus, and a network unauthorized access preventing apparatus which sends an ARP response packet containing a false MAC address as the MAC address of the information processing apparatus to the unauthorized apparatus immediately after the correct ARP response packet is sent to the unauthorized apparatus.
    Type: Application
    Filed: August 27, 2004
    Publication date: March 3, 2005
    Inventors: Yoshinaga Seki, Shinji Hasei, Miho Uotani, Tatsuya Makino