Granted Patent
Utility
US 6,480,415 · App. 09/984,224
Nonvolatile semiconductor memory device
Inventors:
Kiichi Makuta, Akihiro Fujita, Hideo Kasai, Masashii Wada, Atsushi Toukairin
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Oct 29, 2001
Inventors
Kiichi Makuta
Akihiro Fujita
Hideo Kasai
Masashii Wada
Atsushi Toukairin
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.