The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 04, 2025

Filed:

Aug. 15, 2020
Applicant:

Purdue Research Foundation, West Lafayette, IN (US);

Inventors:

Young L Kim, West Lafayette, IN (US);

Jung Woo Leem, West Lafayette, IN (US);

Assignee:

Purdue Research Foundation, West Lafayette, IN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06V 20/00 (2022.01); G06T 5/70 (2024.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
G06V 20/95 (2022.01); G06T 5/70 (2024.01); H04L 9/3278 (2013.01); G06T 2207/10064 (2013.01);
Abstract

A method of authenticating an item is disclosed which includes applying light to an item, wherein the item includes a random distribution of fluorescent particles disposed thereon, capturing one or more images from the item, generating a cryptographic pattern from the one or more captured images by a host processing system, communicating the cryptographic pattern to a remote processing system having a plurality of cryptographic keys in a database each uniquely associated with a corresponding item, comparing the cryptographic pattern with the plurality of cryptographic keys in the database, and communicating a positive evaluation for authentication to the host processing system if a match is found between one of the plurality of cryptographic keys and the communicated cryptographic pattern.


Find Patent Forward Citations

Kim, Young. (2025). Image processing and authentication of unclonable functions (U.S. Patent No. 12462593). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12462593

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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