Inventor · disambiguated record
Liyan Zhang
Also filed as: ZHANG LIYAN
18 granted patents·3 pending applications·336 citations·filing 1999–2025
93Inventor score
Files withGREENTECH ENV CO LTD7LUCENT TECHNOLOGIES INC4CANON KK3UNIV WUHAN TECH2ADVANCED LASER & FUSION TECHNO1
Top patents by PatentIndex Score
21 records- 0194US6323950B1Chromatic dispersion measurement for optical componentsLUCENT TECHNOLOGIES INC·Filed 1999·Granted Nov 27, 2001·86 cites·21 claims
- 0291US7436988B23D face authentication and recognition based on bilateral symmetry analysisUNIV ARIZONA·Filed 2005·Granted Oct 14, 2008·84 cites·1 claims
- 0390US11772999B2System and method for treating reverse-osmosis concentrated water with high temporary hardnessGREENTECH ENV CO LTD·Filed 2023·Granted Oct 3, 2023·2 cites·12 claims
- 0490US9158970B2Devices, systems, and methods for visual-attribute refinementCANON KK·Filed 2013·Granted Oct 13, 2015·14 cites·20 claims
- 0590US6763190B2Network auto-provisioning and distributed restorationLUCENT TECHNOLOGIES INC·Filed 2001·Granted Jul 13, 2004·60 cites·26 claims
- 0685US6856441B2Method of tuning wavelength tunable electro-absorption modulatorsNETWORKS INC T·Filed 2003·Granted Feb 15, 2005·31 cites·20 claims
- 0775US10120879B2Scalable attribute-driven image retrieval and re-rankingCANON KK·Filed 2014·Granted Nov 6, 2018·7 cites·8 claims
- 0870US2025087733A1METHOD AND SYSTEM FOR ACCELERATED LIFE TESTING (ALT) OF PROTON EXCHANGE MEMBRANE FUEL CELLS (PEMFCs)UNIV WUHAN TECH·Filed 2024·Application pending·0 cites
- 0968US12162783B2Saline wastewater treatment method and systemGREENTECH ENV CO LTD·Filed 2024·Granted Dec 10, 2024·0 cites·4 claims
- 1064US12486179B2Control method for delaying nanofiltration membrane aluminum fouling of water treatment systemGREENTECH ENV CO LTD·Filed 2025·Granted Dec 2, 2025·0 cites·8 claims
- 1164US12145869B2Hollow fiber nanofiltration membrane system and control method thereofGREENTECH ENV CO LTD·Filed 2024·Granted Nov 19, 2024·0 cites·5 claims
- 1263US12308495B2Fuel cell fault diagnosis method and systemUNIV WUHAN TECH·Filed 2024·Granted May 20, 2025·0 cites·6 claims
- 1363US12151210B2Method for controlling hollow fiber nanofiltration membrane system with controllable power consumptionGREENTECH ENV CO LTD·Filed 2024·Granted Nov 26, 2024·0 cites·4 claims
- 1462US12509374B2System and method for softening high-salinity water via self-induced calcium bicarbonate crystallization in fluidized bedGREENTECH ENV CO LTD·Filed 2025·Granted Dec 30, 2025·0 cites·9 claims
- 1562US6330104B1Optical wavelength conversion using four wave mixing in fiberLUCENT TECHNOLOGIES INC·Filed 1999·Granted Dec 11, 2001·30 cites·12 claims
- 1655US11440819B2Dosing control method and system for micro-flocculation in ultrafiltrationGREENTECH ENV CO LTD·Filed 2022·Granted Sep 13, 2022·0 cites·6 claims
- 1743US6381560B1Methods of modeling erbium doped fiber amplifiersLUCENT TECHNOLOGIES INC·Filed 1999·Granted Apr 30, 2002·11 cites·16 claims
- 1843US6240163B1Radiation E.G. X-ray pulse generator mechanismsADVANCED LASER & FUSION TECHNO·Filed 1999·Granted May 29, 2001·11 cites·39 claims
- 1941US2014093174A1Systems and methods for image managementCANON KK·Filed 2012·Application pending·0 cites
- 2038US11997959B2Method for breeding new variety of ratoon rice crop and cultivation method for new variety of ratoon rice cropGUANGXI JINGREN AGRICULTURAL SCIENCE AND TECH CO LTD·Filed 2019·Granted Jun 4, 2024·0 cites·8 claims
- 2135US2001038471A1Fault communication for network distributed restorationFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →