Inventor · disambiguated record
Ru Feng Du
Also filed as: DU RU FENG
13 granted patents·46 citations·filing 2014–2023
89Inventor score
Top patents by PatentIndex Score
13 records- 0192US9276530B1Advanced current limit function for audio amplifierSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2014·Granted Mar 1, 2016·19 cites·20 claims
- 0288US11831286B2Audio amplifier with embedded buck controller for class-G applicationST MICROELECTRONICS SHENZHEN R & D CO LTD·Filed 2021·Granted Nov 28, 2023·2 cites·20 claims
- 0385US11018644B2Audio amplifier with embedded buck controller for class-G applicationSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2019·Granted May 25, 2021·4 cites·20 claims
- 0485US9306523B2Methods and circuits to reduce pop noise in an audio deviceSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2014·Granted Apr 5, 2016·7 cites·17 claims
- 0581US9577579B2Methods and circuits to reduce pop noise in an audio deviceSTMICROELECTRONICS (SHENZHEN) R&D CO LTD·Filed 2016·Granted Feb 21, 2017·3 cites·18 claims
- 0681US9231535B2Silent start class-D amplifierSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2014·Granted Jan 5, 2016·8 cites·18 claims
- 0776US12231102B2Audio amplifier with embedded buck controller for class-G applicationSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2023·Granted Feb 18, 2025·0 cites·20 claims
- 0868US10193506B2Methods and circuits to reduce pop noise in an audio deviceSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2016·Granted Jan 29, 2019·1 cites·31 claims
- 0965US10944366B2Advanced load current monitoring circuit and method for a class-AB amplifierSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2019·Granted Mar 9, 2021·1 cites·29 claims
- 1061US9667201B2Advanced current limit function for audio amplifierSTMICROELECTRONICS (SHENZHEN) R&D CO LTD·Filed 2016·Granted May 30, 2017·1 cites·19 claims
- 1158US11750163B2Deglitching circuit and method in a class-D amplifierSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2021·Granted Sep 5, 2023·0 cites·20 claims
- 1257US10530309B2Methods and circuits to reduce pop noise in an audio deviceSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2018·Granted Jan 7, 2020·0 cites·13 claims
- 1355US10965263B2Deglitching circuit and method in class-D amplifierSTMICROELECTRONICS SHENZHEN R&D CO LTD·Filed 2019·Granted Mar 30, 2021·0 cites·22 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →