Granted Patent
Utility
US 5,845,332 · App. 08/510,074
Non-volatile memory, memory card and information processing apparatus using the same and method for software write protect control of non-volatile memory
Inventors:
Manabu Inoue, Takao Okubo, Shigeru Kadowaki, Satoru Nakanishi, Masamichi Kishi, Shigeru Suzuki, Yasuro Kubota, Hironori Iwasaki
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Aug 1, 1995
Inventors
Manabu Inoue
Takao Okubo
Shigeru Kadowaki
Satoru Nakanishi
Masamichi Kishi
Shigeru Suzuki
Yasuro Kubota
Hironori Iwasaki
Assignees (at issue)
HITACHI, LTD.
Hitachi VLSI Engineering Corp.
Hitachi Tohbu Semiconductor, 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.