Granted Patent
Utility
US 6,538,629 · App. 09/486,860
Liquid crystal driver unit, liquid crystal driving method, and liquid crystal display device
Inventor:
Satoru Ito
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Apr 5, 2001
Inventor
Satoru Ito
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.