Granted Patent
Utility
US 5,451,819 · App. 08/071,387
Semiconductor device having conductive plug projecting from contact hole and connected at side surface thereof to wiring layer
Inventor:
Kuniaki Koyama
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Jun 2, 1993
Inventor
Kuniaki Koyama
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.