Granted Patent
Utility
US 5,952,675 · App. 08/861,538
Thin film transistor element array
Inventor:
Takuya Katoh
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: May 22, 1997
Inventor
Takuya Katoh
Assignee (at issue)
NEC 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.