DM

Douglas James Wallace MacFarlane

WM Wolfson Microelectronics: 4 patents #13 of 51Top 30%
CL Cirrus Logic: 3 patents #393 of 1,131Top 35%
CS Cirrus Logic International Semiconductor: 2 patents #8 of 53Top 20%
Overall (All Time): #566,993 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9872103 Microphone biasing circuitry and method thereof Andrew J. HOWLETT, Graeme G. MACKAY 2018-01-16
9661434 Microphone biasing circuitry and method thereof Andrew J. HOWLETT, Graeme G. MACKAY 2017-05-23
9490765 Microphone biasing circuitry and method thereof Andrew J. HOWLETT, Graeme G. MACKAY 2016-11-08
9300212 DC-DC converters operable in a discontinuous switching mode Andrew Notman, Mark McCloy-Stevens, Holger Haiplik 2016-03-29
9148722 Microphone biasing circuitry and method thereof Andrew J. HOWLETT, Graeme G. MACKAY 2015-09-29
8699726 Apparatus and method for biasing a transducer Colin Steele 2014-04-15
8541993 DC-DC converters operable in a discontinuous switching mode Andrew Notman, Mark McCloy-Stevens, Holger Haiplik 2013-09-24
8508288 Charge pump circuit and methods of operation thereof 2013-08-13
8264273 Charge pump circuit and methods of operation thereof 2012-09-11