Inventor · disambiguated record
William R. Belfield
Also filed as: BELFIELD WILLIAM R
4 granted patents·245 citations·filing 1982–2004
82Inventor score
Top patents by PatentIndex Score
4 records- 0190US4475227AAdaptive predictionAT & T BELL LAB·Filed 1982·Granted Oct 2, 1984·52 cites·9 claims
- 0288US4654863AWideband adaptive predictionAT & T BELL LAB·Filed 1985·Granted Mar 31, 1987·73 cites·16 claims
- 0382US4896346APassword controlled switching systemAMERICAN TELEPHONE & TELEGRAPH·Filed 1988·Granted Jan 23, 1990·96 cites·22 claims
- 0471US7389233B1Self-organizing speech recognition for information extractionVERIZON CORPORATE SERV GROUP·Filed 2004·Granted Jun 17, 2008·24 cites·40 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →