Granted Patent
Utility
US 5,087,955 · App. 07/564,232
Input-output circuit of reduced device area for semicustom semiconductor integrated circuit
Inventor:
Haruji Futami
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Aug 8, 1990
Inventor
Haruji Futami
Assignee (at issue)
NEC CORPORATION
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.