Granted Patent
Utility
US 6,492,220 · App. 09/578,556
Method for manufacturing semiconductor device capable of suppressing narrow channel width effect
Inventor:
Masahiro Ikeda
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: May 25, 2000
Inventor
Masahiro Ikeda
Assignee (at issue)
NEC 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.