Inventor · disambiguated record
Changzhi Li
Also filed as: LI CHANGZHI
19 granted patents·4 pending applications·212 citations·filing 2004–2023
94Inventor score
Files withUNIV TEXAS TECH SYSTEM8UNIV FLORIDA6Ballocator LLC2LIN JENSHAN2GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD1
Top patents by PatentIndex Score
23 records- 0194US10436888B2Hybrid FMCW-interferometry radar for positioning and monitoring and methods of using sameUNIV TEXAS TECH SYSTEM·Filed 2015·Granted Oct 8, 2019·28 cites·24 claims
- 0294US8410319B2Continuous catalytic generation of polyols from cellulose with recycleKALNES TOM N·Filed 2011·Granted Apr 2, 2013·11 cites·20 claims
- 0393US8323937B2Continuous catalytic generation of polyols from celluloseZHANG TAO·Filed 2011·Granted Dec 4, 2012·10 cites·25 claims
- 0490US9200945B2Wavelength division sensing RF vibrometer for accurate measurement of complex vibrationsUNIV FLORIDA·Filed 2012·Granted Dec 1, 2015·10 cites·28 claims
- 0589US10218830B1Decoration component, housing component and mobile terminal having sameGUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD·Filed 2018·Granted Feb 26, 2019·14 cites·12 claims
- 0688US11460723B1Semiconductor optical phased arrays (OPA's) and methods related theretoUNIV TEXAS TECH SYSTEM·Filed 2019·Granted Oct 4, 2022·4 cites·10 claims
- 0788US7180754B2Connecting mechanism for a battery case and a body of a portable electronic deviceSUTECH TRADING LTD·Filed 2004·Granted Feb 20, 2007·58 cites·12 claims
- 0886US8721554B2Random body movement cancellation for non-contact vital sign detectionLIN JENSHAN·Filed 2008·Granted May 13, 2014·23 cites·16 claims
- 0983US9477812B2Random body movement cancellation for non-contact vital sign detectionUNIV FLORIDA·Filed 2014·Granted Oct 25, 2016·16 cites·20 claims
- 1082US9924906B2Random body movement cancellation for non-contact vital sign detectionUNIV FLORIDA·Filed 2016·Granted Mar 27, 2018·4 cites·20 claims
- 1181US7848896B2Non-contact measurement system for accurate measurement of frequency and amplitude of mechanical vibrationUNIV FLORIDA·Filed 2008·Granted Dec 7, 2010·11 cites·47 claims
- 1279US11892537B1Golf ball locating nonlinear radar system employing a snowflake nonlinear passive tag and associated method(s)Ballocator LLC·Filed 2023·Granted Feb 6, 2024·2 cites·19 claims
- 1375US8814805B2Complex signal demodulation and angular demodulation for non-contact vital sign detectionLIN JENSHAN·Filed 2008·Granted Aug 26, 2014·13 cites·31 claims
- 1472US9314648B2System, method and apparatus for tracking targets during treatment using a radar motion sensorUNIV TEXAS TECH SYSTEM·Filed 2012·Granted Apr 19, 2016·7 cites·61 claims
- 1571US11747658B2Semiconductor optical phased arrays (OPA's) and methods related theretoUNIV TEXAS TECH SYSTEM·Filed 2022·Granted Sep 5, 2023·0 cites·11 claims
- 1661US10958295B2Complex domain beamforming system and methods relating theretoUNIV TEXAS TECH SYSTEM·Filed 2017·Granted Mar 23, 2021·1 cites·13 claims
- 1755US2025093491A1Microwave Architecture for Passive Sensing ApplicationsUNIV TEXAS TECH SYSTEM·Filed 2023·Application pending·0 cites
- 1851US12076617B2Golf ball locating nonlinear radar system employing a snowflake nonlinear passive tag and associated method(s)Ballocator LLC·Filed 2023·Granted Sep 3, 2024·0 cites·20 claims
- 1949US2010204587A1Wavelength Division Sensing Method and Apparatus for Doppler Radar Vital Sign Monitoring and Mechanical Vibration MonitoringUNIV FLORIDA·Filed 2008·Application pending·0 cites
- 2047US11735828B224-GHz low-cost continuous beam steering phased array for indoor smart radar and methods relating theretoUNIV TEXAS TECH SYSTEM·Filed 2017·Granted Aug 22, 2023·0 cites·8 claims
- 2144US2020236545A1Method and system for non-contact motion-based user authenticationUNIV NEW YORK STATE RES FOUND·Filed 2019·Application pending·0 cites
- 2235US10436625B2Interferometric doppler radar and method for wave and water level measurementUNIV FLORIDA·Filed 2016·Granted Oct 8, 2019·0 cites·17 claims
- 2335US2018004298A1System and method for non-contact interaction with mobile devicesUNIV TEXAS TECH SYSTEM·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →