Granted Patent
Utility
US 6,238,961 · App. 09/487,599
Semiconductor integrated circuit device and process for manufacturing the same
Inventors:
Isamu Asano, Osamu Tsuchiya
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jan 19, 2000
Inventors
Isamu Asano
Osamu Tsuchiya
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.