Granted Patent
Utility
US 6,243,290 · App. 09/645,878
Nonvolatile semiconductor memory device
Inventors:
Hideaki Kurata, Naoki Kobayashi, Takashi Kobayashi, Katsutaka Kimura, Hitoshi Kume, Shunichi Saeki
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Aug 25, 2000
Inventors
Hideaki Kurata
Naoki Kobayashi
Takashi Kobayashi
Katsutaka Kimura
Hitoshi Kume
Shunichi Saeki
Assignees (at issue)
HITACHI, LTD.
Hitachi Device Engineering 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.