Granted Patent
Utility
US 6,472,932 · App. 09/774,342
Transconductor and filter circuit
Inventors:
Takashi Morie, Shiro Dosho
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Jan 31, 2001
Inventors
Takashi Morie
Shiro Dosho
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.