Granted Patent
Utility
US 5,250,833 · App. 08/007,237
Power transistor free from back gate bias effect and an integrated circuit device using the same
Inventor:
Toshio Watanabe
Patented Case
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Granted: Oct 5, 1993
Filed: Jan 21, 1993
Inventor
Toshio Watanabe
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.