Granted Patent
Utility
US 6,478,433 · App. 09/984,607
Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
Inventors:
Masataka Shirasaki, Simon Cao
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Oct 30, 2001
Inventors
Masataka Shirasaki
Simon Cao
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.