Granted Patent
Utility
US 5,880,501 · App. 08/805,463
Semiconductor integrated circuit and manufacturing method of the same
Inventor:
Takayuki Nagai
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Feb 26, 1997
Inventor
Takayuki Nagai
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.