Granted Patent
Utility
US 6,441,763 · App. 09/911,725
DA converter and liquid crystal driving device incorporating the same
Inventor:
Tomoaki Nakao
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Jul 25, 2001
Inventor
Tomoaki Nakao
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.