Inventor · disambiguated record
Brant M. Helf
Also filed as: HELF BRANT · HELF BRANT M · HELF BRANT MARTIN
5 granted patents·563 citations·filing 1987–1996
86Inventor score
Top patents by PatentIndex Score
5 records- 0196US5550924AReduction of background noise for speech enhancementPICTURETEL CORP·Filed 1995·Granted Aug 27, 1996·305 cites·21 claims
- 0285US4995030AFar end echo cancellation method and apparatusMEMOTEC DATACOM INC·Filed 1989·Granted Feb 19, 1991·98 cites·19 claims
- 0378US5924064AVariable length coding using a plurality of region bit allocation patternsPICTURETEL CORP·Filed 1996·Granted Jul 13, 1999·67 cites·16 claims
- 0475US4870662ASystem and method for compressing transmitted or stored dataCONCORD DATA SYSTEMS INC·Filed 1987·Granted Sep 26, 1989·36 cites·25 claims
- 0562US5664057AFixed bit rate speech encoder/decoderPICTURETEL CORP·Filed 1995·Granted Sep 2, 1997·57 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →