Granted Patent
Utility
US 6,480,420 · App. 09/818,652
Semiconductor memory device having source areas of memory cells supplied with a common voltage
Inventor:
Toshiro Futatsugi
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Mar 28, 2001
Inventor
Toshiro Futatsugi
Assignee (at issue)
Fujitsu Limited
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.