Granted Patent
Utility
US 5,929,490 · App. 09/061,864
Semiconductor device with an improved body contact hole structure
Inventor:
Hideaki Onishi
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Apr 17, 1998
Inventor
Hideaki Onishi
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.