Granted Patent
Utility
US 5,436,495 · App. 08/203,758
Device isolation area structure in semiconductor device
Inventor:
Mitsuru Sakamoto
Patented Case
View Patent ↗
Granted: Jul 25, 1995
Filed: Mar 1, 1994
Inventor
Mitsuru Sakamoto
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.