Granted Patent
Utility
US 5,963,467 · App. 08/982,457
Semiconductor memory device
Inventors:
Shinichi Miyatake, Shigekazu Kase, Masayuki Nakamura, Masatoshi Hasegawa, Kazuhiko Kajigaya
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Dec 2, 1997
Inventors
Shinichi Miyatake
Shigekazu Kase
Masayuki Nakamura
Masatoshi Hasegawa
Kazuhiko Kajigaya
Assignee (at issue)
HITACHI, 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.