Granted Patent
Utility
US 6,524,898 · App. 09/985,914
Method of fabricating a protective element in an SOI substrate
Inventor:
Masafumi Nagaya
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Nov 6, 2001
Inventor
Masafumi Nagaya
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.