Granted Patent
Utility
US 6,700,664 · App. 10/218,418
Optical channel monitoring device
Inventors:
Tokuyuki Honda, Yevgeniy Churin, Long Yang
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Aug 15, 2002
Inventors
Tokuyuki Honda
Yevgeniy Churin
Long Yang
Assignee (at issue)
JDS Uniphase 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.