Granted Patent
Utility
US 6,009,016 · App. 09/323,684
Nonvolatile memory system semiconductor memory and writing method
Inventors:
Tatsuya Ishii, Hitoshi Miwa, Osamu Tsuchiya, Shooji Kubono
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Jun 2, 1999
Inventors
Tatsuya Ishii
Hitoshi Miwa
Osamu Tsuchiya
Shooji Kubono
Assignees (at issue)
HITACHI, LTD.
Hitachi VLSI Engineering Corp.
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.