Patents by Inventor Chinryuu Sai

Chinryuu Sai 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).

  • Publication number: 20070171836
    Abstract: An object of the present invention is to provide a technology capable of estimating header conversion applied in a network by collecting information required in the estimation, without introducing a special-purpose server directed to estimate header conversion applied in the network. The present invention provides a system for estimating information about apparatuses on a network using an error message or control message sent in response to a transmitted packet as stipulated by a communication protocol to estimate information about apparatuses on the network.
    Type: Application
    Filed: January 22, 2007
    Publication date: July 26, 2007
    Applicant: NEC Corporation
    Inventors: Hideo Yoshimi, Nobuyuki Enomoto, Chinryuu Sai, Kazuo Takagi, Atsushi Iwata