Granted Patent
Utility
US 5,793,118 · App. 08/916,824
Semiconductor device capable of accomplishing a high moisture proof
Inventor:
Hirofumi Nakajima
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Aug 22, 1997
Inventor
Hirofumi Nakajima
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.