Granted Patent
Utility
US 6,481,861 · App. 10/021,086
Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
Inventors:
Simon Cao, Masataka Shirasaki
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Dec 19, 2001
Inventors
Simon Cao
Masataka Shirasaki
Assignees (at issue)
Fujitsu Limited
Avanex Corporation
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.