Granted Patent
Utility
US 6,424,331 · App. 09/581,038
Driving circuit for electro-optical device, driving method therefor, DA converter, signal line driving circuit, electro-optical panel, projection type display device, and electronic equipment
Inventor:
Tokuro Ozawa
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jun 8, 2000
Inventor
Tokuro Ozawa
Assignee (at issue)
SEIKO EPSON CORPORATION
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.