Granted Patent
Utility
US 6,552,956 · App. 09/988,261
Semiconductor memory device and non-volatile semiconductor memory device provided with a plurality of internal counters
Inventor:
Kenji Shibata
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Nov 19, 2001
Inventor
Kenji Shibata
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.