Granted Patent
Utility
US 5,793,060 · App. 08/840,975
SOI Optical semiconductor device
Inventor:
Takenori Morikawa
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Apr 21, 1997
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.