Granted Patent
Utility
US 6,335,821 · App. 09/501,606
Optical fiber amplifier and a method for controlling the same
Inventors:
Mikiya Suzuki, Sigeru Shikii
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Feb 10, 2000
Inventors
Mikiya Suzuki
Sigeru Shikii
Assignee (at issue)
OKI ELECTRONIC INDUSTRIES CO., LTD.
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.