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CIRRUS LOGIC INC

Overview
  • Total Patents
    2,702
  • GoodIP Patent Rank
    3,986
  • Filing trend
    ⇩ 85.0%
About

CIRRUS LOGIC INC has a total of 2,702 patent applications. It decreased the IP activity by 85.0%. Its first patent ever was published in 1987. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets basic communication technologies, audio-visual technology and computer technology are AVNERA CORP, ELWOOD GRISSINGER and JOSHUA GREEN.

Patent filings per year

Chart showing CIRRUS LOGIC INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Melanson John L 475
#2 Melanson John Laurence 147
#3 Hendrix Jon D 112
#4 Zook Christopher P 102
#5 Alderson Jeffrey 97
#6 Zhou Dayong 76
#7 Behrens Richard T 74
#8 Lu Yang 71
#9 King Eric J 66
#10 Bliss William G 60

Latest patents

Publication Filing date Title
US2018047412A1 Determining noise and sound power level differences between primary and reference channels
US2017366898A1 Systems and methods for using a piezoelectric speaker as a microphone in a mobile device
WO2018004547A1 Speaker impedance monitoring
US2016309270A1 Speaker impedance monitoring
US2016286310A1 Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses
GB201520363D0 Fully depleted region for reduced parasitic capacitance between a poly-silicon layer and a substrate region
US2016145093A1 Fully depleted region for reduced parasitic capacitance between a poly-silicon layer and a substrate region
US2016133272A1 Adaptive interchannel discriminative rescaling filter
US2016134984A1 Determining noise and sound power level differences between primary and reference channels
GB201518790D0 Amplifier with adjustable ramp up/down gain for minimizing or eliminating pop noise
US2016118949A1 Amplifier with adjustable ramp up/down gain for minimizing or eliminating pop noise
GB201518256D0 Power stage with switched mode amplifier and linear amplifier
US2016093313A1 Neural network voice activity detection employing running range normalization
US2016072521A1 Delta-sigma modulator with reduced integrator requirements
US2016126908A1 Power stage with switched mode amplifier and linear amplifier
US10401886B1 Systems and methods for providing an auto-calibrated voltage reference
GB201511091D0 Systems and methods for compressing a digital signal
US2015372681A1 Systems and methods for clock synchronization in a data acquisition system
US2015380005A1 Systems and methods for compressing a digital signal
WO2016032598A2 Low-power analog-to-digital converter for sensing geophone signals