Granted Patent
Utility
US 6,480,069 · App. 09/796,549
Active load circuit, and operational amplifier and comparator having the same
Inventor:
Katsuyuki Yasukouchi
Patented Case
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Granted: Nov 12, 2002
Filed: Mar 2, 2001
Inventor
Katsuyuki Yasukouchi
Assignee (at issue)
Fujitsu Limited
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.