Inventor · disambiguated record
Der-Chwan Wu
Also filed as: WU DER-CHWAN
4 granted patents·37 citations·filing 1989–1997
74Inventor score
Top patents by PatentIndex Score
4 records- 0161US4989246AAdaptive differential, pulse code modulation sound generatorIND TECHNOLOGY RESEARCH INST R·Filed 1989·Granted Jan 29, 1991·22 cites·3 claims
- 0235US5647005APitch and rate modifications of audio signals utilizing differential mean absolute errorELECTRONICS RESEARCH & SERVICE·Filed 1995·Granted Jul 8, 1997·7 cites·13 claims
- 0331US5877615ADynamic input reference voltage adjusterUTEK SEMICONDUCTOR CORP·Filed 1997·Granted Mar 2, 1999·4 cites·21 claims
- 0428US5832442AHigh-effeciency algorithms using minimum mean absolute error splicing for pitch and rate modification of audio signalsELECTRONICS RESEARCH & SERVICE·Filed 1995·Granted Nov 3, 1998·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →