Inventor · disambiguated record
Douglas R. Firth
Also filed as: FIRTH DOUGLAS R
4 granted patents·62 citations·filing 1999–2020
73Inventor score
Top patents by PatentIndex Score
4 records- 0170US6333706B1Built-in self-test for analog to digital converterIBM·Filed 1999·Granted Dec 25, 2001·35 cites·22 claims
- 0263US11255718B2Systems and methods for extending frequency response of resonant transducersKULITE SEMICONDUCTOR PRODUCTS INC·Filed 2020·Granted Feb 22, 2022·0 cites·20 claims
- 0362US6229465B1Built in self test method and structure for analog to digital converterIBM·Filed 1999·Granted May 8, 2001·27 cites·27 claims
- 0449US10697827B2Systems and methods for extending frequency response of resonant transducersKULITE SEMICONDUCTOR PRODUCTS INC·Filed 2014·Granted Jun 30, 2020·0 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →