Inventor · disambiguated record
Yongqian Liu
Also filed as: LIU YONGQIAN · LIU YONGQIAN R
11 granted patents·5 pending applications·482 citations·filing 1999–2023
91Inventor score
Top patents by PatentIndex Score
16 records- 0198US7609875B2Scanner system and method for mapping surface of three-dimensional objectORAMETRIX INC·Filed 2005·Granted Oct 27, 2009·191 cites·56 claims
- 0294US6275623B1Dynamically configurable spectral filterCORNING INC·Filed 1999·Granted Aug 14, 2001·127 cites·73 claims
- 0391US7857619B2LED curing light having fresnel lensesLIU YONGQIAN·Filed 2006·Granted Dec 28, 2010·54 cites·20 claims
- 0487US8786689B1Modular optical medical diagnostic systemLIU YONGQIAN R·Filed 2011·Granted Jul 22, 2014·57 cites·17 claims
- 0585US12049766B1Tensegrity offshore wind power generation support structureUNIV HARBIN ENG·Filed 2023·Granted Jul 30, 2024·1 cites·4 claims
- 0677US6381063B1Long band optical amplifierCORNING INC·Filed 2000·Granted Apr 30, 2002·15 cites·22 claims
- 0753US11876378B1Wind farm control strategy method, apparatus and device, and storage mediumUNIV NORTH CHINA ELECTRIC POWER·Filed 2023·Granted Jan 16, 2024·0 cites·16 claims
- 0853US6421170B1Gain control and shaping of EDFAs via dual cavity gain controlCORNING INC·Filed 1999·Granted Jul 16, 2002·16 cites·22 claims
- 0947US6643057B2Optical amplifier with reduced non-linear signal impairments by optimum pumping configuration and method for using sameCORNING INC·Filed 2001·Granted Nov 4, 2003·2 cites·43 claims
- 1047US2006199144A1High Efficiency LED Curing Light SystemLIU YONGQIAN·Filed 2005·Application pending·0 cites
- 1142US6421172B1Long band optical amplifierCORNING INC·Filed 1999·Granted Jul 16, 2002·10 cites·21 claims
- 1240US6351586B1Wavelength dependent phase delay deviceCORNING INC·Filed 1999·Granted Feb 26, 2002·9 cites·5 claims
- 1338US2003026533A1Configurable dispersion management deviceFiled 2002·Application pending·0 cites
- 1438US2003035172A1Tunable, reconfigurable optical add-drop multiplexer and a switching deviceFiled 2001·Application pending·0 cites
- 1537US2002118934A1Method and system for dispersion management with Raman amplificationFiled 2002·Application pending·0 cites
- 1636US2002109907A1Dynamic gain slope compensatorFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →