Inventor · disambiguated record
Sien-Chang C. Liu
Also filed as: LIU SIEN-CHANG C · LIU SIEN-CHANG CHARLES
7 granted patents·145 citations·filing 1989–2015
87Inventor score
Files withHUGHES AIRCRAFT CO3BOEING CO1THALES RAYTHEON SYS CO LLC1THALES-RAYTHEON SYSTEMS COMPANY LLC1
Top patents by PatentIndex Score
7 records- 0189US9360549B1Methods and apparatus for a self-calibrated signal injection setup for in-field receive phased array calibration systemTHALES RAYTHEON SYS CO LLC·Filed 2014·Granted Jun 7, 2016·26 cites·20 claims
- 0272US5253188ABuilt-in system for antenna calibration, performance monitoring and fault isolation of phased array antenna using signal injections and RF switchesHUGHES AIRCRAFT CO·Filed 1991·Granted Oct 12, 1993·43 cites·13 claims
- 0364US9857454B1Adaptive doppler filter re-optimization method for pulsed interference countermeasureTHALES-RAYTHEON SYSTEMS COMPANY LLC·Filed 2015·Granted Jan 2, 2018·4 cites·17 claims
- 0457US5652591AWideband and wide angle sidelobe cancellation techniqueFiled 1989·Granted Jul 29, 1997·22 cites·8 claims
- 0553US5081460AMethod and apparatus for testing phase shifter modules of a phased array antennaHUGHES AIRCRAFT CO·Filed 1991·Granted Jan 14, 1992·26 cites·14 claims
- 0648US6768455B1Calibration probe motion detectorBOEING CO·Filed 2003·Granted Jul 27, 2004·7 cites·43 claims
- 0745US5400035AFalse track discrimination in the sidelobe region of a monopulse antennaHUGHES AIRCRAFT CO·Filed 1993·Granted Mar 21, 1995·17 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →