Patents by Inventor Kaoru Ucida

Kaoru Ucida 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).

  • Tenprint card selector with fingerprint pattern level processing used to select candidates for sub-pattern level processing
    Patent number: 6002785
    Abstract: A tenprint selector comprises a fingerprint pattern level feature difference calculating unit which receives and compares a set of candidates for pattern level feature types of fingerprint images shown on file cards and a set of candidates for pattern level feature types of fingerprint images shown on a search card and calculates a pattern level feature difference, a card difference calculating unit which calculates a card difference based on the pattern level feature difference of the fingerprint images of all fingers shown on the file cards and the search card, and a judging unit which compares the card difference determined by the card difference calculating means with a predetermined card difference threshold value and judges, whether the file card shall be selected to be further checked with the search card.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: December 14, 1999
    Assignee: NEC Corporation
    Inventor: Kaoru Ucida