Granted Patent
Utility
US 6,479,397 · App. 09/847,274
Method for forming isolation regions on semiconductor device
Inventor:
Motoki Kobayashi
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: May 3, 2001
Inventor
Motoki Kobayashi
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.