Granted Patent
Utility
US 6,593,939 · App. 09/966,628
Image display device and driver circuit therefor
Inventors:
Yukimitsu Yamada, Ken Kawahata, Hiroyuki Hebiguchi, Tatsumi Fujiyoshi, Junichi Saito
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Sep 28, 2001
Inventors
Yukimitsu Yamada
Ken Kawahata
Hiroyuki Hebiguchi
Tatsumi Fujiyoshi
Junichi Saito
Assignee (at issue)
ALPS ELECTRIC CO., LTD.
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.