Granted Patent
Utility
US 6,625,079 · App. 10/175,301
Semiconductor memory device
Inventors:
Hideharu Yahata, Masashi Horiguchi, Yoshikazu Saitoh, Yasushi Kawase
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jun 20, 2002
Inventors
Hideharu Yahata
Masashi Horiguchi
Yoshikazu Saitoh
Yasushi Kawase
Assignees (at issue)
HITACHI, LTD.
Hitachi Device Engineering Co., Ltd.
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.