Granted Patent
Utility
US 6,727,556 · App. 09/915,446
Semiconductor device and a method of manufacturing thereof
Inventors:
Mika Shiiki, Minoru Sudou
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jul 26, 2001
Inventors
Mika Shiiki
Minoru Sudou
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.