Granted Patent
Utility
US 6,608,784 · App. 10/078,471
Non-volatile semiconductor memory device
Inventors:
Motoki Kanamori, Kunihiro Katayama, Atsushi Shiraishi, Shigeo Kurakata, Atsushi Shikata
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Feb 21, 2002
Inventors
Motoki Kanamori
Kunihiro Katayama
Atsushi Shiraishi
Shigeo Kurakata
Atsushi Shikata
Assignees (at issue)
HITACHI, LTD.
Hitachi Ulsi Systems 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.