Granted Patent
Utility
US 6,404,036 · App. 09/742,351
Semiconductor memory device with a triple well structure
Inventor:
Akemi Maruyama
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Dec 22, 2000
Inventor
Akemi Maruyama
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.