Granted Patent
Utility
US 6,548,867 · App. 10/233,976
Semiconductor device having thin film transistor for supplying current to driven element
Inventors:
Tsutomu Yamada, Katsuya Anzai
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Sep 3, 2002
Inventors
Tsutomu Yamada
Katsuya Anzai
Assignee (at issue)
SANYO 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.