Granted Patent
Utility
US 5,170,374 · App. 07/864,934
Semiconductor memory
Inventors:
Katsuhiro Shimohigashi, Hiroo Masuda, Kunihiko Ikuzaki
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Apr 7, 1992
Inventors
Katsuhiro Shimohigashi
Hiroo Masuda
Kunihiko Ikuzaki
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.