Granted Patent
Utility
US 6,771,241 · App. 09/880,819
Active matrix type display device
Inventors:
Toshio Miyazawa, Tomohiko Sato
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jun 15, 2001
Inventors
Toshio Miyazawa
Tomohiko Sato
Assignee (at issue)
HITACHI, 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.