Granted Patent
Utility
US 5,631,990 · App. 08/516,626
Integrated optical module for coupling an optical fiber to an optical device
Inventor:
Hideki Hashizume
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Aug 18, 1995
Inventor
Hideki Hashizume
Assignee (at issue)
NIPPON SHEET GLASS COMPANY, LIMITED
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.