Granted Patent
Utility
US 6,501,674 · App. 09/943,513
Semiconductor memory and its driving method
Inventor:
Kinya Ashikaga
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Aug 31, 2001
Inventor
Kinya Ashikaga
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.