Inventor · disambiguated record
William Norman Campbell
Also filed as: CAMPBELL WILLIAM NORMAN
4 granted patents·2 pending applications·71 citations·filing 1996–2012
78Inventor score
Top patents by PatentIndex Score
6 records- 0193US8168877B1Musical harmony generation from polyphonic audio signalsRUTLEDGE GLEN A·Filed 2007·Granted May 1, 2012·50 cites·68 claims
- 0276US8507781B2Rhythm recognition from an audio signalLUPINI PETER R·Filed 2010·Granted Aug 13, 2013·9 cites·29 claims
- 0374US8618402B2Musical harmony generation from polyphonic audio signalsRUTLEDGE GLEN A·Filed 2012·Granted Dec 31, 2013·4 cites·20 claims
- 0445US2013112065A1Musical harmony generation from polyphonic audio signalsRUTLEDGE GLEN A·Filed 2012·Application pending·0 cites
- 0544US2012180618A1Musical harmony generation from polyphonic audio signalsRUTLEDGE GLEN A·Filed 2012·Application pending·0 cites
- 0632US5684727AHigh-speed correlatorMACDONALD DETTWILER AND ASSOCI·Filed 1996·Granted Nov 4, 1997·8 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when William Norman Campbell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →