Granted Patent
Utility
US 6,154,016 · App. 09/095,496
Voltage-to-current converting circuit which has a wide control range and which utilizes a depletion type field effect transistor
Inventor:
Kouji Hirai
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Jun 11, 1998
Inventor
Kouji Hirai
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.