Granted Patent
Utility
US 4,907,053 · App. 07/090,210
Semiconductor integrated circuit
Inventor:
Tadahiro Ohmi
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Aug 27, 1987
Inventor
Tadahiro Ohmi
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.