Granted Patent
Utility
US 4,878,201 · App. 07/149,269
Semiconductor memory device having an improved timing signal generator for the column selection circuit
Inventor:
Kazuo Nakaizumi
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Jan 28, 1988
Inventor
Kazuo Nakaizumi
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.