Inventor
PENNOCK JOHN L
GB41 patents
⚠️ This page may combine multiple inventors who share the name “PENNOCK JOHN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIRRUS LOGIC INT SEMICONDUCTOR LTD
18 patentsUS10312802B2Jun 4, 2019
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD12 citations92
US11146171B2Oct 12, 2021
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD5 citations84
US9735672B2Aug 15, 2017
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD9 citations84
US9685856B2Jun 20, 2017
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD6 citations84
US11398777B2Jul 26, 2022
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73
US10333395B2Jun 25, 2019
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD1 citations67
US10014769B2Jul 3, 2018
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD1 citations63
US9685855B2Jun 20, 2017
Amplifier circuit and methods of operation thereof
CIRRUS LOGIC INT SEMICONDUCTOR LTD1 citations63
US11811312B2Nov 7, 2023
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11722057B2Aug 8, 2023
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11652405B2May 16, 2023
Amplifier circuit and methods of operation thereof
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11652406B2May 16, 2023
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11043894B2Jun 22, 2021
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11031863B2Jun 8, 2021
Amplifier circuit and methods of operation thereof
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US10819229B2Oct 27, 2020
Charge pump circuit
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations52
US10587187B2Mar 10, 2020
Amplifier circuit and methods of operation thereof
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations52
US9673700B2Jun 6, 2017
Amplifier circuit and methods of operation thereof
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations52
US10451667B2Oct 22, 2019
Apparatus and method for testing a capacitive transducer and/or associated electronic circuitry
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations50
WOLFSON MICROELECTRONICS PLC
11 patentsUS7714660B2May 11, 2010
Amplifier circuit and methods of operation thereof
WOLFSON MICROELECTRONICS PLC41 citations96
US7723965B2May 25, 2010
DC-DC converter circuits, and methods and apparatus including such circuits
WOLFSON MICROELECTRONICS PLC28 citations93
US7626445B2Dec 1, 2009
Charge pump circuit and methods of operation thereof
WOLFSON MICROELECTRONICS PLC34 citations92
US7622984B2Nov 24, 2009
Charge pump circuit and methods of operation thereof
WOLFSON MICROELECTRONICS PLC34 citations92
US6952176B2Oct 4, 2005
Digital-to-analogue converter circuits
WOLFSON MICROELECTRONICS PLC23 citations92
US7030699B2Apr 18, 2006
Amplifier
WOLFSON MICROELECTRONICS PLC45 citations89
US9306448B2Apr 5, 2016
Amplifier circuit and methods of operation thereof
WOLFSON MICROELECTRONICS PLC3 citations84
US7301401B2Nov 27, 2007
Low noise op amp
WOLFSON MICROELECTRONICS PLC11 citations84
US7113042B2Sep 26, 2006
Low noise op amp
WOLFSON MICROELECTRONICS PLC8 citations70
US7994763B2Aug 9, 2011
DC-DC converter circuits, and methods and apparatus including such circuits
WOLFSON MICROELECTRONICS PLC2 citations63
US9575116B2Feb 21, 2017
Apparatus and method for testing a capacitive transducer and/or associated electronic circuitry
WOLFSON MICROELECTRONICS PLC1 citations60
WOLFSON LTD
4 patentsUS6799889B2Oct 5, 2004
Temperature sensing apparatus and methods
WOLFSON LTD60 citations96
US6573850B1Jun 3, 2003
Digital-to-analogue converter circuits
WOLFSON LTD31 citations92
US4823092AApr 18, 1989
MOS transconductance amplifier for active filters
WOLFSON LTD52 citations92
US6828845B2Dec 7, 2004
Analogue selector
WOLFSON LTD36 citations89