Granted Patent
Utility
US 6,741,501 · App. 10/301,643
Nonvolatile semiconductor memory device and manufacturing method thereof
Inventor:
Takashi Kobayashi
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Nov 22, 2002
Inventor
Takashi Kobayashi
Assignee (at issue)
Renesas Technology 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.