Granted Patent
Utility
US 6,597,104 · App. 10/046,310
Lanthanum phosphate phosphor for vacuum ultraviolet radiation, and rare gas discharge lamp
Inventor:
Reiji Otsuka
Patented Case
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Granted: Jul 22, 2003
Filed: Jan 16, 2002
Inventor
Reiji Otsuka
Assignee (at issue)
Kasei Optonix, 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.