Granted Patent
Utility
US 5,904,550 · App. 08/752,062
Method of producing a semiconductor device
Inventor:
Michiya Yamaguchi
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Nov 19, 1996
Inventor
Michiya Yamaguchi
Assignee (at issue)
CASIO COMPUTER 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.