Granted Patent
Utility
US 6,587,392 · App. 10/067,822
Fast accessible dynamic type semiconductor memory device
Inventor:
Tsukasa Ooishi
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Feb 8, 2002
Inventor
Tsukasa Ooishi
Assignee (at issue)
MITSUBISHI ELECTRIC 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.