Inventor · disambiguated record
John T. Whitefield
Also filed as: WHITEFIELD JOHN T · WHITEFIELD JOHN THOMAS
12 granted patents·360 citations·filing 1977–1989
92Inventor score
Top patents by PatentIndex Score
12 records- 0189US4124109ADispensing apparatus and methodBISSELL ROBIN·Filed 1977·Granted Nov 7, 1978·197 cites·19 claims
- 0287US4184403AMethod and apparatus for introducing dynamic transient voices in an electronic musical instrumentALLEN ORGAN CO·Filed 1977·Granted Jan 22, 1980·26 cites·18 claims
- 0382US4502361AMethod and apparatus for dynamic reproduction of transient and steady state voices in an electronic musical instrumentALLEN ORGAN CO·Filed 1983·Granted Mar 5, 1985·29 cites·28 claims
- 0479US4416182AKeyboard instrument teaching deviceALLEN ORGAN CO·Filed 1981·Granted Nov 22, 1983·35 cites·8 claims
- 0578US4352312ATransient harmonic interpolator for an electronic musical instrumentALLEN ORGAN CO·Filed 1981·Granted Oct 5, 1982·19 cites·24 claims
- 0674US4119006AContinuously variable attack and decay delay for an electronic musical instrumentALLEN ORGAN CO·Filed 1977·Granted Oct 10, 1978·15 cites·8 claims
- 0769US4444082AModified transient harmonic interpolator for an electronic musical instrumentALLEN ORGAN CO·Filed 1982·Granted Apr 24, 1984·13 cites·24 claims
- 0858US4418601AString snub effect simulation for an electronic musical instrumentALLEN ORGAN CO·Filed 1982·Granted Dec 6, 1983·8 cites·10 claims
- 0958US4320683AAsynchronous interface for keying electronic musical instruments using multiplexed note selectionALLEN ORGAN CO·Filed 1980·Granted Mar 23, 1982·8 cites·22 claims
- 1039US4375178ADynamic frequency modulation controller for an electronic musical instrumentALLEN ORGAN CO·Filed 1981·Granted Mar 1, 1983·3 cites·16 claims
- 1130US4905562AMethod for deriving and replicating complex musical tonesALLEN ORGAN CO·Filed 1987·Granted Mar 6, 1990·4 cites·26 claims
- 1228US4984496AApparatus for deriving and replicating complex musical tonesALLEN ORGAN CO·Filed 1989·Granted Jan 15, 1991·3 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →