Patents by Inventor Haruhisa Nakajima

Haruhisa Nakajima 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).

  • Method and system for unlocking doorway
    Patent number: 7337469
    Abstract: An unlock system does not use a key that might be copied so that only a correct person can unlock a door and security is enhanced. Unlock records of door-lock are stored in a limited memory capacity in volume. Fingerprint data input to a fingerprint input section 21 disposed outside a door 11 provided on a doorway 10 is detected, and the detected fingerprint data is verified against previously registered fingerprint data. If it was confirmed that the detected fingerprint data coincided with the registered fingerprint data, an unlock signal is output to unlock the door-lock, and a setting time or start-using time is stored in a storing section having a clock function.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: February 26, 2008
    Assignees: Alpha Corporation, Glory Ltd.
    Inventors: Shunichi Osada, Haruhisa Nakajima
  • Method and system for unlocking doorway
    Publication number: 20040078579
    Abstract: An unlock system does not use a key that might be copied so that only a correct person can unlock a door and security is enhanced. Unlock records of door-lock are stored in a limited memory capacity in volume.
    Type: Application
    Filed: May 13, 2003
    Publication date: April 22, 2004
    Inventors: Shunichi Osada, Haruhisa Nakajima