Granted Patent
Utility
US 5,309,010 · App. 07/888,806
Semiconductor device having improved thin film transistors
Inventor:
Hiroshi Kitajima
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: May 27, 1992
Inventor
Hiroshi Kitajima
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.