Granted Patent
Utility
US 6,346,899 · App. 09/453,551
Analog current mode D/A converter using transconductors
Inventor:
Khayrollah Hadidi
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Dec 3, 1999
Inventor
Khayrollah Hadidi
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA
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.