Granted Patent
Utility
US 6,008,506 · App. 09/067,620
SOI optical semiconductor device
Inventor:
Takenori Morikawa
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Apr 28, 1998
Inventor
Takenori Morikawa
Assignee (at issue)
NEC 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.