Granted Patent
Utility
US 4,624,737 · App. 06/743,092
Process for producing thin-film transistor
Inventor:
Masafumi Shimbo
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Jun 10, 1985
Inventor
Masafumi Shimbo
Assignee (at issue)
Seiko Instruments & Electronics 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.