Granted Patent
Utility
US 6,522,749 · App. 09/234,765
Quantum cryptographic communication channel based on quantum coherence
Inventor:
Lijun Wang
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Jan 21, 1999
Inventor
Lijun Wang
Assignee (at issue)
NEC Laboratories America, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.