Patents by Inventor Katsunibu Ohtsuki

Katsunibu Ohtsuki 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).

  • Authentication method, terminal device, relay device and authentication server
    Publication number: 20050289643
    Abstract: A terminal device in the present invention includes a first authentication information transmitter configured to transmit first authentication information including a user ID to a relay device, a temporary ID storage configured to store a temporary ID issued by an authentication server receiving the first authentication information via the relay device, and a second authentication information transmitter configured to transmit second authentication information including the temporary ID and an authentication server ID for identifying the authentication server to the relay device.
    Type: Application
    Filed: June 28, 2005
    Publication date: December 29, 2005
    Applicant: NTT DoCoMo, Inc.
    Inventors: Atsushi Sato, Katsuhiro Noguchi, Hiroshi Aono, Katsunibu Ohtsuki