Granted Patent
Utility
US 6,569,756 · App. 09/361,984
Method for manufacturing a semiconductor device
Inventor:
Kazumi Sugai
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jul 28, 1999
Inventor
Kazumi Sugai
Assignee (at issue)
NEC Electronics 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.