Patents by Inventor Seigo Kaihoko

Seigo Kaihoko 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 device and authentication control method of a semiconductor chip
    Patent number: 8341728
    Abstract: An authentication device and method of a semiconductor chip which sends and receives authentication information, performs a login process for permitting an input to the semiconductor chip and an output from the semiconductor chip, controls acquisition of the authentication information and controls installation or uninstallation of a loadable program, assignment of a session to the loadable program unit, and use of the loadable program unit based on the session.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: December 25, 2012
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Seigo Kaihoko, Ai Yodokawa, Nobuo Takahashi
  • AUTHENTICATION DEVICE AND AUTHENTICATION CONTROL METHOD
    Publication number: 20090077630
    Abstract: An authentication device and method of a semiconductor chip which sends and receives authentication information, performs a login process for permitting an input to the semiconductor chip and an output from the semiconductor chip, controls acquisition of the authentication information and controls installation or uninstallation of a loadable program, assignment of a session to the loadable program unit, and use of the loadable program unit based on the session.
    Type: Application
    Filed: October 23, 2008
    Publication date: March 19, 2009
    Applicant: FUJITSU MICROELECTRONICS LIMITED
    Inventors: Seigo Kaihoko, Ai Yodokawa, Nobuo Takahashi