Granted Patent
Utility
US 6,429,072 · App. 09/332,109
Method of forming a floating gate memory cell structure
Inventor:
Masaru Tsukiji
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Jun 14, 1999
Inventor
Masaru Tsukiji
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.