Granted Patent
Utility
US 6,667,775 · App. 10/105,449
Method and device for correcting color purity
Inventors:
Tomoyoshi Matsushita, Shigeru Fujino, Jimmie D. Songer
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Mar 26, 2002
Inventors
Tomoyoshi Matsushita
Shigeru Fujino
Jimmie D. Songer
Assignee (at issue)
NEC Viewtechnology, 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.