Granted Patent
Utility
US 5,598,372 · App. 08/507,604
Semiconductor memory
Inventors:
Miki Matsumoto, Kanji Oishi, Masahiro Katayama, Kazufumi Watanabe
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Jul 25, 1995
Inventors
Miki Matsumoto
Kanji Oishi
Masahiro Katayama
Kazufumi Watanabe
Assignees (at issue)
HITACHI, LTD.
Hitachi VLSI Engineering Corp.
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.