Granted Patent
Utility
US 6,834,021 · App. 10/350,191
Semiconductor memory having memory cells requiring refresh operation
Inventors:
Kaoru Mori, Shinichi Yamada
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jan 24, 2003
Inventors
Kaoru Mori
Shinichi Yamada
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.