Granted Patent
Utility
US 5,452,260 · App. 08/215,487
Semiconductor memory circuit
Inventors:
Katsuaki Matsui, Sampei Miyamoto, Tamihiro Ishimura
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Mar 21, 1994
Inventors
Katsuaki Matsui
Sampei Miyamoto
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.