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CRYSTAL SEMICONDUCTOR CORP

Overview
  • Total Patents
    172
About

CRYSTAL SEMICONDUCTOR CORP has a total of 172 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, Japan and Germany. Its main competitors in its focus markets basic communication technologies, measurement and computer technology are SYNTROPY SYSTEMS LLC, ALI AHMED MOHAMED ABDELATTY and ISHIKAWA MASAOKI.

Patent filings in countries

World map showing CRYSTAL SEMICONDUCTOR CORPs patent filings in countries

Patent filings per year

Chart showing CRYSTAL SEMICONDUCTOR CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Swanson Eric J 20
#2 Sooch Navdeep Singh 20
#3 Kerth Donald A 18
#4 Kerth Donald Allan 14
#5 Swanson Eric John 12
#6 Thompson Charles D 10
#7 Sooch Navdeep S 10
#8 Scott Iii Baker P L 9
#9 Welland David R 8
#10 Scott Jeffrey William 8

Latest patents

Publication Filing date Title
AU9785498A Single-chip audio circuits, methods, and systems using the same
US6212273B1 Full-duplex speakerphone circuit including a control interface
US5978825A Zero detection circuitry and methods
US5960401A Method for exponent processing in an audio decoding system
US6091824A Reduced-memory early reflection and reverberation simulator and method
US6088461A Dynamic volume control system
US6088445A Adaptive filter system having mixed fixed point or floating point and block scale floating point operators
US5886658A Serial port interface system and method for an analog-to-digital converter
US5824936A Apparatus and method for approximating an exponential decay in a sound synthesizer
US5787029A Ultra low power multiplier
US5923273A Reduced power FIR filter
US5748040A Fully differential high gain cascode amplifier
US6356872B1 Method and apparatus for storing digital audio and playback thereof
US5917917A Reduced-memory reverberation simulator in a sound synthesizer
US6096960A Period forcing filter for preprocessing sound samples for usage in a wavetable synthesizer
US5644257A Sampling circuit charge management
US5777912A Linear phase finite impulse response filter with pre-addition
US5777909A High pass filter with coefficient switching to improve settling time
US5764753A Half-duplex controller
US5642078A Amplifier having frequency compensation by gain degeneration