Granted Patent
Utility
US 6,606,099 · App. 09/884,892
Display device for creating intermediate gradation levels in pseudo manner and image signal processing method
Inventor:
Yukimitsu Yamada
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Jun 18, 2001
Inventor
Yukimitsu Yamada
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.