Granted Patent
Utility
US 5,280,453 · App. 07/705,341
Semiconductor memory device with noise reduction system
Inventors:
Masahumi Miyawaki, Tamihiro Ishimura
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: May 24, 1991
Inventors
Masahumi Miyawaki
Tamihiro Ishimura
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.