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.
Patent No.:
Date of Patent:
Nov. 11, 2025
Filed:
Dec. 01, 2022
Versitech Limited, Hong Kong, CN;
Zhiqin Chu, Hong Kong, CN;
Yau Chuen Yiu, Hong Kong, CN;
VERSITECH LIMITED, Hong Kong, CN;
Abstract
A method and system for encrypting and decrypting authentication information about a synthetic Raman diamond tag formed with predetermined defects, impurities and/or strains in its crystal structure. A sender uses an optical spectrometer to establishing authentication identities of the synthetic diamond Raman tag and the sender's nature by means of Raman scanning. The sender then encrypts information about the synthetic Raman diamond tag and the sender, and transfers the Raman tag physically to a receiver and the encrypted information electronically to the receiver. The receiver first authenticates the diamond Raman tag and second authenticates the sender's nature. The receiver decrypts the encrypted information by reverse Raman scanning only if the first and second authenticating steps are successful.