Granted Patent
Utility
US 6,492,680 · App. 09/632,325
Semiconductor integrated circuit device
Inventors:
Kazutoshi Ishii, Tetsuo Shioura
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Aug 4, 2000
Inventors
Kazutoshi Ishii
Tetsuo Shioura
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.