Granted Patent
Utility
US 6,424,015 · App. 09/987,820
Semiconductor integrated circuit device
Inventors:
Koichiro Ishibashi, Kenichi Osada
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Nov 16, 2001
Inventors
Koichiro Ishibashi
Kenichi Osada
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.