Granted Patent
Utility
US 6,010,796 · App. 08/889,179
Electroluminescent device
Inventor:
Yasunori Kijima
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Jul 7, 1997
Inventor
Yasunori Kijima
Assignee (at issue)
SONY GROUP CORPORATION
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.