Granted Patent
Utility
US 6,177,733 · App. 09/295,333
Semiconductor device
Inventor:
Ayumi Obara
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Apr 21, 1999
Inventor
Ayumi Obara
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.