Granted Patent
Utility
US 6,600,588 · App. 09/820,664
Reciprocating optical modulation system
Inventor:
Tetsuya Kawanishi
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Mar 30, 2001
Inventor
Tetsuya Kawanishi
Assignee (at issue)
Communications Research Laboratory, Independent Administrative Institution
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.