Granted Patent
Utility
US 6,535,451 · App. 09/810,574
Semiconductor memory
Inventors:
Tomonori Sekiguchi, Kazuhiko Kajigaya
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Mar 19, 2001
Inventors
Tomonori Sekiguchi
Kazuhiko Kajigaya
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.