Granted Patent
Utility
US 6,653,685 · App. 09/988,725
Nonvolatile memory device
Inventors:
Kozo Katayama, Yoshiaki Kamigaki, Shinichi Minami
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Nov 20, 2001
Inventors
Kozo Katayama
Yoshiaki Kamigaki
Shinichi Minami
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.