Inventor · disambiguated record
David Campbell
Also filed as: CAMPBELL DAVID · CAMPBELL DAVID N · CAMPBELL DAVID NEIL · CAMPBELL DAVID T
8 granted patents·3 pending applications·75 citations·filing 1975–2017
84Inventor score
Top patents by PatentIndex Score
11 records- 0169US9881000B1Avoiding sentiment model overfitting in a machine language modelSALESFORCE COM INC·Filed 2016·Granted Jan 30, 2018·1 cites·18 claims
- 0264US6487284B1Card pay telephone with speed dialingVERIZON LAB INC·Filed 1999·Granted Nov 26, 2002·43 cites·41 claims
- 0357US10496751B2Avoiding sentiment model overfitting in a machine language modelSALESFORCE COM INC·Filed 2017·Granted Dec 3, 2019·0 cites·18 claims
- 0449US4177650ACryogenic cooling apparatusHYMATIC ENG CO LTD·Filed 1978·Granted Dec 11, 1979·15 cites·7 claims
- 0539US6490458B1Portable phone bankVERIZON LAB INC·Filed 1999·Granted Dec 3, 2002·9 cites·23 claims
- 0639US2015073808A1Remote control and payment transactioning system using natural language, vehicle information, and spatio-temporal cuesIMS SOLUTIONS INC·Filed 2014·Application pending·0 cites
- 0739US2004117450A1Gateway email concentratorFiled 2002·Application pending·0 cites
- 0834US2015206539A1Enhanced human machine interface through hybrid word recognition and dynamic speech synthesis tuningIMS SOLUTIONS INC·Filed 2014·Application pending·0 cites
- 0927US4570457ACryogenic cooling apparatusHYMATIC ENG CO LTD·Filed 1985·Granted Feb 18, 1986·3 cites·13 claims
- 1027US3990265AJoule-Thomson liquifier utilizing the Leidenfrost principleHYMATIC ENG CO LTD·Filed 1975·Granted Nov 9, 1976·2 cites·14 claims
- 1125US4373357ACryogenic cooling apparatusHYMATIC ENG CO LTD·Filed 1981·Granted Feb 15, 1983·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →