Granted Patent
Utility
US 6,566,721 · App. 09/998,815
Semiconductor device
Inventor:
Hiroaki Takasu
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Oct 19, 2001
Inventor
Hiroaki Takasu
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.