Granted Patent
Utility
US 6,129,986 · App. 09/035,856
Luminous composition and electroluminescent device comprising the same
Inventors:
Shinji Bessho, Satoshi Nishikawa
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Mar 6, 1998
Inventors
Shinji Bessho
Satoshi Nishikawa
Assignees (at issue)
Sunstar Giken Kabushiki Kaisha
Uni-Sunstar B.V.
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.