US Patent Issued to NEC on Aug. 26 for "Hybrid quantum cryptography protocol for optical communications" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,503, issued on Aug. 26, was assigned to NEC Corp. (Tokyo).

"Hybrid quantum cryptography protocol for optical communications" was invented by Eduardo Fabian Mateo Rodriguez (Tokyo) and Yoshihisa Inada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid Quantum Key Distribution (QKD) protocol and method for secure transmission in optical communications systems and in particular long distance optical communications systems such as those in undersea environments. Our inventive method advantageously exploits fundamental security features of quantum-base encryption with the added intrinsic security of encapsulated and sealed equipment of unders...