Inventor · disambiguated record
Chang X. Ma
Also filed as: MA CHANG X · MA CHANG XUE
3 granted patents·197 citations·filing 1992–1997
77Inventor score
Technology areasG10L
Top patents by PatentIndex Score
3 records- 0183US5479564AMethod and apparatus for manipulating pitch and/or duration of a signalPHILIPS CORP·Filed 1994·Granted Dec 26, 1995·137 cites·28 claims
- 0253US5611002AMethod and apparatus for manipulating an input signal to form an output signal having a different lengthPHILIPS CORP·Filed 1992·Granted Mar 11, 1997·33 cites·15 claims
- 0348US6470308B1Human speech processing apparatus for detecting instants of glottal closureKONINKL PHILIPS ELECTRONICS NV·Filed 1997·Granted Oct 22, 2002·27 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →