Granted Patent
Utility
US 6,697,278 · App. 10/262,095
Semiconductor memory device
Inventors:
Hisayuki Nagamine, Akitomo Nakayama
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Oct 1, 2002
Inventors
Hisayuki Nagamine
Akitomo Nakayama
Assignee (at issue)
NEC Electronics 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.