Granted Patent
Utility
US 6,585,912 · App. 09/895,383
Aluminate phosphor and process for its production, phosphor paste composition, and vacuum ultraviolet ray excitation type light-emitting device
Inventors:
Kouhei Matsuda, Akihiro Ohto, Takayuki Hisamune
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jul 2, 2001
Inventors
Kouhei Matsuda
Akihiro Ohto
Takayuki Hisamune
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.