Granted Patent
Utility
US 6,805,468 · App. 10/271,787
Surface light source device and liquid crystal display device using it
Inventors:
Atsushi Itoh, Ikuo Ogo, Shigeru Yachi
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Oct 17, 2002
Inventors
Atsushi Itoh
Ikuo Ogo
Shigeru Yachi
Assignee (at issue)
Advanced Display, Inc.
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.