Granted Patent
Utility
US 4,700,212 · App. 06/839,450
Semiconductor integrated circuit device of high degree of integration
Inventor:
Takeshi Okazawa
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Mar 3, 1986
Inventor
Takeshi Okazawa
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.