Granted Patent
Utility
US 4,918,657 · App. 07/169,683
Semiconductor memory device provided with an improved precharge and enable control circuit
Inventor:
Yasushi Takahashi
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Mar 18, 1988
Inventor
Yasushi Takahashi
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.