Inventor

LESSO JOHN PAUL

GB194 patents

⚠️ This page may combine multiple inventors who share the name “LESSO JOHN PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CIRRUS LOGIC INT SEMICONDUCTOR LTD

38 patents

US11475899B2Oct 18, 2022

Speaker identification

CIRRUS LOGIC INT SEMICONDUCTOR LTD51 citations95

US10915614B2Feb 9, 2021

Biometric authentication

CIRRUS LOGIC INT SEMICONDUCTOR LTD19 citations94

US9628040B2Apr 18, 2017

Class D amplifier circuit

CIRRUS LOGIC INT SEMICONDUCTOR LTD11 citations92

US11276409B2Mar 15, 2022

Detection of replay attack

CIRRUS LOGIC INT SEMICONDUCTOR LTD13 citations86

US11051117B2Jun 29, 2021

Detection of loudspeaker playback

CIRRUS LOGIC INT SEMICONDUCTOR LTD14 citations86

US11037574B2Jun 15, 2021

Speaker recognition and speaker change detection

CIRRUS LOGIC INT SEMICONDUCTOR LTD12 citations86

US11023755B2Jun 1, 2021

Detection of liveness

CIRRUS LOGIC INT SEMICONDUCTOR LTD19 citations86

US11017252B2May 25, 2021

Detection of liveness

CIRRUS LOGIC INT SEMICONDUCTOR LTD18 citations86

US10847165B2Nov 24, 2020

Detection of liveness

CIRRUS LOGIC INT SEMICONDUCTOR LTD14 citations86

US10193561B2Jan 29, 2019

Phase locked loops

CIRRUS LOGIC INT SEMICONDUCTOR LTD18 citations86

US10506336B1Dec 10, 2019

Audio circuitry

CIRRUS LOGIC INT SEMICONDUCTOR LTD12 citations84

US10348282B1Jul 9, 2019

Modulators

CIRRUS LOGIC INT SEMICONDUCTOR LTD10 citations84

US11164588B2Nov 2, 2021

Magnetic detection of replay attack

CIRRUS LOGIC INT SEMICONDUCTOR LTD12 citations83

US9716945B2Jul 25, 2017

Signal processing for MEMS capacitive transducers

CIRRUS LOGIC INT SEMICONDUCTOR LTD7 citations83

US9425813B2Aug 23, 2016

Analogue-to-digital converter

CIRRUS LOGIC INT SEMICONDUCTOR LTD6 citations83

US12026241B2Jul 2, 2024

Detection of replay attack

CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations75

US12002482B2Jun 4, 2024

Data transfer

CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations74

US11998948B2Jun 4, 2024

Driver circuitry for piezoelectric transducers

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11769510B2Sep 26, 2023

Microphone authentication

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11755701B2Sep 12, 2023

Methods, apparatus and systems for authentication

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11748462B2Sep 5, 2023

Biometric authentication

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11735191B2Aug 22, 2023

Speaker recognition with assessment of audio frame contribution

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11694695B2Jul 4, 2023

Speaker identification

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11487861B2Nov 1, 2022

Methods, apparatus and computer-readable mediums related to biometric authentication

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11417349B2Aug 16, 2022

Data transfer

CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations73

US11270707B2Mar 8, 2022

Analysing speech signals

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11264037B2Mar 1, 2022

Speaker identification

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11223360B2Jan 11, 2022

Control of semiconductor devices

CIRRUS LOGIC INT SEMICONDUCTOR LTD1 citations73

US11134324B2Sep 28, 2021

Microphone device and system comprising the microphone device

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US11121690B2Sep 14, 2021

Class D amplifier circuit

CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations73

US11042618B2Jun 22, 2021

Methods, apparatus and systems for biometric processes

CIRRUS LOGIC INT SEMICONDUCTOR LTD4 citations73

US11042617B2Jun 22, 2021

Methods, apparatus and systems for biometric processes

CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations73

US10984083B2Apr 20, 2021

Authentication of user using ear biometric data

CIRRUS LOGIC INT SEMICONDUCTOR LTD6 citations73

US10956546B2Mar 23, 2021

Methods, apparatus and computer-readable mediums related to biometric authentication

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US10878825B2Dec 29, 2020

Biometric processes

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

US10700648B2Jun 30, 2020

Audio amplifiers

CIRRUS LOGIC INT SEMICONDUCTOR LTD6 citations73

US10636431B2Apr 28, 2020

Data transfer

CIRRUS LOGIC INT SEMICONDUCTOR LTD4 citations73

US10574256B1Feb 25, 2020

Modulators

CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73

LESSO JOHN PAUL

5 patents

US8198941B2Jun 12, 2012

Amplifier circuit and method of amplifying a signal in an amplifier circuit

LESSO JOHN PAUL98 citations99

US8514025B2Aug 20, 2013

Amplifier circuit and method of amplifying a signal in an amplifier circuit

LESSO JOHN PAUL47 citations98

US9136755B2Sep 15, 2015

Charge pump circuit

LESSO JOHN PAUL21 citations92

US8890604B2Nov 18, 2014

Charge pump circuit

LESSO JOHN PAUL12 citations92

US8159200B2Apr 17, 2012

DC-DC converter circuits, and methods and apparatus including such circuits

LESSO JOHN PAUL11 citations84

WOLFSON MICROELECTRONICS PLC

3 patents

US7723965B2May 25, 2010

DC-DC converter circuits, and methods and apparatus including such circuits

WOLFSON MICROELECTRONICS PLC28 citations93

US7295053B2Nov 13, 2007

Delay-locked loop circuits

WOLFSON MICROELECTRONICS PLC19 citations84

US7649480B2Jan 19, 2010

Calibration circuit and associated method

WOLFSON MICROELECTRONICS PLC11 citations80

CIRRUS LOGIC INT (UK) LTD

2 patents

US9697831B2Jul 4, 2017

Speech recognition

CIRRUS LOGIC INT (UK) LTD6 citations82

US9424849B2Aug 23, 2016

Data transfer

CIRRUS LOGIC INT (UK) LTD12 citations82

WOLFSON LTD

1 patent

US9473087B2Oct 18, 2016

Class-D amplifier circuits

WOLFSON LTD8 citations84

STEELE COLIN FINDLAY

1 patent

US8913762B2Dec 16, 2014

Capacitive transducer circuit and method

STEELE COLIN FINDLAY7 citations81

Showing the top 50 of 194 patents by PatentIndex Score.