Granted Patent
Utility
US 6,577,550 · App. 10/034,308
Control circuit and semiconductor memory device
Inventor:
Shigemasa Ito
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Jan 3, 2002
Inventor
Shigemasa Ito
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.