Granted Patent
Utility
US 6,179,923 · App. 09/136,045
Deposition apparatus for an organic thin-film light-emitting element
Inventors:
Tetsuya Yamamoto, Yotaro Shiraishi, Takao Maeda
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Aug 18, 1998
Inventors
Tetsuya Yamamoto
Yotaro Shiraishi
Takao Maeda
Assignee (at issue)
FUJI ELECTRIC CO., 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.