Patents by Inventor Mitsuji Matsushita

Mitsuji Matsushita 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).

  • Iris identification system and iris identification method
    Patent number: 5901238
    Abstract: The iris identification system, which uses an iris pattern to identify a customer, extracts the matching bits between previously-registered iris data and obtained iris data and, compares the extracted bits with the registered iris data to increase the accuracy of customer identification.
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: May 4, 1999
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Mitsuji Matsushita