Granted Patent
Utility
US 6,496,403 · App. 09/906,809
Semiconductor memory device
Inventors:
Hiromasa Noda, Sadayuki Okuma, Hiroshi Ichikawa, Hiroki Miyashita, Yasushi Takahashi
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jul 18, 2001
Inventors
Hiromasa Noda
Sadayuki Okuma
Hiroshi Ichikawa
Hiroki Miyashita
Yasushi Takahashi
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.