Granted Patent
Utility
US 6,714,046 · App. 10/175,427
Level shifter and electro-optical apparatus incorporating the same
Inventors:
Shinsuke Fujikawa, Tokuro Ozawa
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Jun 20, 2002
Inventors
Shinsuke Fujikawa
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.