Granted Patent
Utility
US 6,682,832 · App. 09/913,644
Thin film el device
Inventors:
Tetsuya Satou, Mikiko Matsuo, Hisanori Sugiura, Hitoshi Hisada, Ryuichi Shingae, Yoshinobu Murakami
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Aug 17, 2001
Inventors
Tetsuya Satou
Mikiko Matsuo
Hisanori Sugiura
Hitoshi Hisada
Ryuichi Shingae
Yoshinobu Murakami
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.