Granted Patent
Utility
US 5,148,399 · App. 07/709,808
Sense amplifier circuitry selectively separable from bit lines for dynamic random access memory
Inventors:
Shizuo Cho, Junichi Suyama
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: May 31, 1991
Inventors
Shizuo Cho
Junichi Suyama
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.