Granted Patent
Utility
US 5,760,444 · App. 08/658,953
Silicon on insulator type semiconductor device
Inventor:
Koichiro Okumura
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: May 31, 1996
Inventor
Koichiro Okumura
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.