Granted Patent
Utility
US 6,272,042 · App. 09/630,426
Nonvolatile semiconductor memory
Inventors:
Masataka Kato, Tetsuo Adachi, Toshihiro Tanaka, Toshio Sasaki, Hitoshi Kume, Katsutaka Kimura
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Aug 1, 2000
Inventors
Masataka Kato
Tetsuo Adachi
Toshihiro Tanaka
Toshio Sasaki
Hitoshi Kume
Katsutaka Kimura
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.