Granted Patent
Utility
US 6,522,590 · App. 09/783,109
Semiconductor memory device
Inventors:
Yoshinori Matsui, Hiroaki Ikeda
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Feb 14, 2001
Inventors
Yoshinori Matsui
Hiroaki Ikeda
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.