Granted Patent
Utility
US 5,329,140 · App. 07/954,309
Thin film transistor and its production method
Inventor:
Kenji Sera
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Sep 30, 1992
Inventor
Kenji Sera
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.