Granted Patent
Utility
US 6,541,918 · App. 09/423,724
Active-matrix emitting apparatus and fabrication method therefor
Inventor:
Ichio Yudasaka
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Nov 12, 1999
Inventor
Ichio Yudasaka
Assignee (at issue)
SEIKO EPSON 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.