Granted Patent
Utility
US 4,899,203 · App. 07/280,155
Semiconductor memory integrated circuit and process of fabricating the same
Inventor:
Masayoshi Ino
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Dec 5, 1988
Inventor
Masayoshi Ino
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.