Granted Patent
Utility
US 6,713,820 · App. 10/119,420
Semiconductor device
Inventors:
Toshihiko Omi, Kazutoshi Ishii
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Apr 8, 2002
Inventors
Toshihiko Omi
Kazutoshi Ishii
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.