Granted Patent
Utility
US 6,459,712 · App. 09/895,079
Semiconductor devices
Inventors:
Toshiaki Tanaka, Shigeru Aoki
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Jul 2, 2001
Inventors
Toshiaki Tanaka
Shigeru Aoki
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.