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SIRF TECH INC

Overview
  • Total Patents
    480
About

SIRF TECH INC has a total of 480 patent applications. Its first patent ever was published in 1996. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets measurement, telecommunications and digital networks are ONDES DIRIGEES SA DES, GLOBAL LOCATE INC and LENNEN GARY.

Patent filings per year

Chart showing SIRF TECH INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pande Ashutosh 75
#2 Garin Lionel Jacques 50
#3 Gronemeyer Steven A 49
#4 Zhang Gengsheng 47
#5 Kohli Sanjai 45
#6 Norman Charles P 37
#7 Chansarkar Mangesh 31
#8 Chadha Kanwar 25
#9 Tso Robert 25
#10 Underbrink Paul A 24

Latest patents

Publication Filing date Title
US2013072122A1 Systems and methods for channel pairing a transmitter and a receiver
GB201008523D0 Systems and methods for calibrating real time clock
GB201007016D0 Systems and methods for tuning an antenna for a frequency modulation transceiver
GB201006915D0 Systems and methods for managing power consumption of a transceiver
GB201005261D0 Systems and methods for managing power consumption
WO2010114791A1 System and method for operating a gps device in micro power mode
US2011034132A1 Systems and Methods for Minimizing Electromagnetic Interface
US2010283680A1 System and method for dynamic voltage scaling in a GPS receiver
WO2009100079A1 System and method for verifying consistent measurements in performing gps positioning
US2011205115A1 Always on GPS Device
US2010134354A1 Method and apparatus for a GPS receiver capable or reception of GPS signals and binary offset carrier signals
WO2009061812A1 Systems and methods for processing navigational solutions
US2008309553A1 Systems and methods for mitigating multipath signals
WO2008079790A1 System and method for estimating cell center position for cell id based positioning
US2009135060A1 GPS system utilizing multiple antennas
US2009128407A1 Systems and methods for detecting GPS measurement errors
US2009115656A1 Systems and Methods for Global Differential Positioning
US2009110134A1 Noise floor independent delay-locked loop discriminator
US2008122690A1 Enhanced aiding in GPS systems
US2008270026A1 Method and apparatus in positioning without broadcast ephemeris