Granted Patent
Utility
US 5,780,310 · App. 08/476,233
Method of fabricating a memory cell array area and a peripheral circuit area
Inventor:
Kuniaki Koyama
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Jun 7, 1995
Inventor
Kuniaki Koyama
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.