Granted Patent
Utility
US 6,263,146 · App. 09/439,094
Apparatus for optically generating chaotic random numbers
Inventors:
Ken Umeno, Kenichi Kitayama
Patented Case
View Patent ↗
Granted: Jul 17, 2001
Filed: Nov 12, 1999
Inventors
Ken Umeno
Kenichi Kitayama
Assignee (at issue)
Communications Research Laboratory, Ministry of Posts and Telecommunications
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.