Granted Patent
Utility
US 6,478,477 · App. 09/697,294
Planar packaged optical module having 1st and 2nd adhesives with different glass-transition temperatures
Inventor:
Takahiro Yamaguchi
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Oct 27, 2000
Inventor
Takahiro Yamaguchi
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.