Granted Patent
Utility
US 6,770,912 · App. 10/079,951
Semiconductor device and method for producing the same
Inventor:
Yorito Ota
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Feb 19, 2002
Inventor
Yorito Ota
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.