Inventor · disambiguated record
Ralph Deutsch
Also filed as: DEUTSCH LESLIE J · DEUTSCH RALPH
119 granted patents·1,177 citations·filing 1974–1987
99Inventor score
Files withKAWAI MUSICAL INSTR MFG CO100DEUTSCH RES LAB9NIPPON MUSICAL INSTRUMENTS MFG9DEUTSCH RALPH1
Top patents by PatentIndex Score
119 records- 0197US4122742ATransient voice generatorDEUTSCH RES LAB·Filed 1976·Granted Oct 31, 1978·57 cites·9 claims
- 0295US4085644APolyphonic tone synthesizerDEUTSCH RES LAB·Filed 1975·Granted Apr 25, 1978·47 cites·36 claims
- 0394US4079650AADSR envelope generatorDEUTSCH RES LAB·Filed 1976·Granted Mar 21, 1978·45 cites·30 claims
- 0492US4295402AAutomatic chord accompaniment for a guitarKAWAI MUSICAL INSTR MFG CO·Filed 1979·Granted Oct 20, 1981·35 cites·22 claims
- 0591US4022098AKeyboard switch detect and assignorDEUTSCH RALPH·Filed 1975·Granted May 10, 1977·44 cites·22 claims
- 0690US4033219ATouch responsive control system for a keyboard electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1975·Granted Jul 5, 1977·30 cites·13 claims
- 0785US4327419ADigital noise generator for electronic musical instrumentsKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Apr 27, 1982·27 cites·16 claims
- 0884US4332183AAutomatic legato keying for a keyboard electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Jun 1, 1982·25 cites·10 claims
- 0984US4175464AMusical tone generator with time variant overtonesKAWAI MUSICAL INSTR MFG CO·Filed 1978·Granted Nov 27, 1979·21 cites·20 claims
- 1084US4031377AFast multiplier circuit employing shift circuitry responsive to two binary numbers the sum of which approximately equals the mantissa of the multiplierNIPPON MUSICAL INSTRUMENTS MFG·Filed 1975·Granted Jun 21, 1977·24 cites·11 claims
- 1183US4823667AGuitar controlled electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1987·Granted Apr 25, 1989·37 cites·8 claims
- 1281US4732071ATuning indicator for musical instrumentsKAWAI MUSICAL INSTR MFG CO·Filed 1987·Granted Mar 22, 1988·38 cites·13 claims
- 1381US4313361ADigital frequency follower for electronic musical instrumentsKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Feb 2, 1982·38 cites·11 claims
- 1478US4387622AMusical tone generator with independent time varying harmonicsKAWAI MUSICAL INSTR MFG CO·Filed 1981·Granted Jun 14, 1983·18 cites·11 claims
- 1578US4214503AElectronic musical instrument with automatic loudness compensationKAWAI MUSICAL INSTR MFG CO·Filed 1979·Granted Jul 29, 1980·16 cites·9 claims
- 1677US4205576AAutomatic harmonic interval keying in an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1978·Granted Jun 3, 1980·16 cites·8 claims
- 1777US3956960AFormant filtering in a computor organNIPPON MUSICAL INSTRUMENTS MFG·Filed 1974·Granted May 18, 1976·28 cites·29 claims
- 1873US4342248AOrchestra chorus in an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Aug 3, 1982·14 cites·11 claims
- 1973US4176573AIntrakeyboard coupling and transposition control for a keyboard musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1978·Granted Dec 4, 1979·14 cites·11 claims
- 2073US4160399AAutomatic sequence generator for a polyphonic tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1977·Granted Jul 10, 1979·14 cites·14 claims
- 2173US4114496ANote frequency generator for a polyphonic tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1977·Granted Sep 19, 1978·14 cites·7 claims
- 2272US4281574ASignal delay tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1979·Granted Aug 4, 1981·13 cites·8 claims
- 2372US4211138AHarmonic formant filter for an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1978·Granted Jul 8, 1980·14 cites·6 claims
- 2471US4267761AMusical tone generator utilizing digital sliding formant filterKAWAI MUSICAL INSTR MFG CO·Filed 1977·Granted May 19, 1981·13 cites·16 claims
- 2569US4116103APulse width modulation in a digital tone synthesizerDEUTSCH RES LAB·Filed 1976·Granted Sep 26, 1978·13 cites·10 claims
- 2668US4379420AAdaptive strum keying for a keyboard electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1981·Granted Apr 12, 1983·12 cites·15 claims
- 2766US4300434AApparatus for tone generation with combined loudness and formant spectral variationKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Nov 17, 1981·11 cites·11 claims
- 2866US4194427AGeneration of noise-like tones in an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1978·Granted Mar 25, 1980·11 cites·8 claims
- 2966US3952623ADigital timing system for an electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1974·Granted Apr 27, 1976·13 cites·10 claims
- 3065US4643067ASignal convolution production of time variant harmonics in an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1984·Granted Feb 17, 1987·10 cites·11 claims
- 3165US4205577AImplementation of multiple voices in an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1978·Granted Jun 3, 1980·11 cites·8 claims
- 3265US4192210AFormant filter synthesizer for an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1978·Granted Mar 11, 1980·11 cites·6 claims
- 3364US4144789AAmplitude generator for an electronic organKAWAI MUSICAL INSTR MFG CO·Filed 1977·Granted Mar 20, 1979·10 cites·10 claims
- 3463US4082028ASliding overtone generation in a computor organNIPPON MUSICAL INSTRUMENTS MFG·Filed 1976·Granted Apr 4, 1978·10 cites·20 claims
- 3563US3972259AProduction of pulse width modulation tonal effects in a computor organNIPPON MUSICAL INSTRUMENTS MFG·Filed 1974·Granted Aug 3, 1976·12 cites·11 claims
- 3662US4570520ATone generator assignment in a keyboard electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1984·Granted Feb 18, 1986·9 cites·12 claims
- 3762US4273018ANonlinear tone generation in a polyphonic tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Jun 16, 1981·9 cites·12 claims
- 3861US4270430ANoise generator for a polyphonic tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1979·Granted Jun 2, 1981·9 cites·11 claims
- 3961US4150600AComputer organ with extended harmonicsNIPPON MUSICAL INSTRUMENTS MFG·Filed 1977·Granted Apr 24, 1979·9 cites·12 claims
- 4059US4354414AConstant speed polyphonic portamento systemKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Oct 19, 1982·8 cites·15 claims
- 4159US3951030AImplementation of delayed vibrato in a computor organNIPPON MUSICAL INSTRUMENTS MFG·Filed 1974·Granted Apr 20, 1976·10 cites·9 claims
- 4258US4286491AUnified tone generation in a polyphonic tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Sep 1, 1981·8 cites·18 claims
- 4358US4246822AData transfer apparatus for digital polyphonic tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1979·Granted Jan 27, 1981·8 cites·9 claims
- 4458US4223583AApparatus for producing musical tones having time variant harmonicsKAWAI MUSICAL INSTR MFG CO·Filed 1979·Granted Sep 23, 1980·8 cites·8 claims
- 4556US4282786AAutomatic chord type and root note detectorKAWAI MUSICAL INSTR MFG CO·Filed 1979·Granted Aug 11, 1981·13 cites·11 claims
- 4656US4194426AEcho effect circuit for an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1978·Granted Mar 25, 1980·8 cites·7 claims
- 4755US4608903ASingle side-band harmonic extension in a polyphonic tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1984·Granted Sep 2, 1986·7 cites·17 claims
- 4855US4526081AExtended harmonics in a polyphonic tone synthesizerKAWAI MUSICAL INSTR MFG CO·Filed 1984·Granted Jul 2, 1985·7 cites·9 claims
- 4955US4453441AFrequency modulator for an electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1982·Granted Jun 12, 1984·7 cites·13 claims
- 5055US4341141APolyphonic sliding portamento in a musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1980·Granted Jul 27, 1982·7 cites·15 claims
Showing the top 50 of 119 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →