Granted Patent
Utility
US 6,409,398 · App. 09/206,165
Optical module and manufacturing method of optical module
Inventors:
Susumu Nakaya, Hideyuki Tanaka
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Dec 7, 1998
Inventors
Susumu Nakaya
Hideyuki Tanaka
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.