Assignee
LIU YAN
CN·44 granted patents·8 pending applications·364 citations·filing 2003–2025
Top patents by PatentIndex Score
52 records- 0197USD998092SMosquito killerLIU YAN·Filed 2022·Granted Sep 5, 2023·15 cites·1 claims
- 0296USD997290SMosquito killerLIU YAN·Filed 2022·Granted Aug 29, 2023·13 cites·1 claims
- 0396USD989223SMosquito killerLIU YAN·Filed 2021·Granted Jun 13, 2023·15 cites·1 claims
- 0496US8878145B1Apparatus and method for fluorescence spectral and color measurements of diamonds, gemstones and the likeLIU YAN·Filed 2012·Granted Nov 4, 2014·38 cites·17 claims
- 0596US8415168B2Capillary ion chromatographyLIU YAN·Filed 2012·Granted Apr 9, 2013·18 cites·13 claims
- 0694USD968944SCable clipLIU YAN·Filed 2022·Granted Nov 8, 2022·19 cites·1 claims
- 0794US9086426B2Multi-component eluent generating system and methodLIU YAN·Filed 2012·Granted Jul 21, 2015·14 cites·30 claims
- 0893US8426481B2Composite materialLIU YAN·Filed 2009·Granted Apr 23, 2013·27 cites·18 claims
- 0992USD978280SMosquito killerLIU YAN·Filed 2021·Granted Feb 14, 2023·17 cites·1 claims
- 1092US7652755B2Apparatus and method for color measurement and color grading of diamonds, gemstones and the likeLIU YAN·Filed 2007·Granted Jan 26, 2010·19 cites·13 claims
- 1190USD990613SMosquito killerLIU YAN·Filed 2021·Granted Jun 27, 2023·2 cites·1 claims
- 1290USD978282SMosquito killerLIU YAN·Filed 2021·Granted Feb 14, 2023·14 cites·1 claims
- 1390US8901411B2System and method for controlling ramp rate of solar photovoltaic systemLIU YAN·Filed 2008·Granted Dec 2, 2014·37 cites·23 claims
- 1490US7388656B2Method and system for color grading of gemstonesLIU YAN·Filed 2005·Granted Jun 17, 2008·18 cites·20 claims
- 1586USD968936SCable tieLIU YAN·Filed 2022·Granted Nov 8, 2022·9 cites·1 claims
- 1685USD1004047SMosquito killerLIU YAN·Filed 2022·Granted Nov 7, 2023·9 cites·1 claims
- 1785USD935308SCable holderLIU YAN·Filed 2021·Granted Nov 9, 2021·10 cites·1 claims
- 1884USD978281SMosquito killerLIU YAN·Filed 2021·Granted Feb 14, 2023·9 cites·1 claims
- 1982US8647576B2Electrolytic eluent generator and method of useLIU YAN·Filed 2010·Granted Feb 11, 2014·4 cites·10 claims
- 2080US8784655B2Ion chromatography system using catalytic gas eliminationLIU YAN·Filed 2011·Granted Jul 22, 2014·2 cites·2 claims
- 2179US8465982B2Ion chromatography systems with flow-delay eluent recycleLIU YAN·Filed 2011·Granted Jun 18, 2013·2 cites·12 claims
- 2278USD972351SOverlanding kitchenLIU YAN·Filed 2022·Granted Dec 13, 2022·6 cites·1 claims
- 2378US9188573B2Multichannel ion chromatography system and methodLIU YAN·Filed 2010·Granted Nov 17, 2015·4 cites·20 claims
- 2476US8414684B2High pressure degas assembly for chromatography system and methodLIU YAN·Filed 2010·Granted Apr 9, 2013·3 cites·31 claims
- 2574US8216515B2Capillary ion chromatographyLIU YAN·Filed 2004·Granted Jul 10, 2012·14 cites·35 claims
- 2673USD1076469SFolding sofa bedLIU YAN·Filed 2024·Granted May 27, 2025·3 cites·1 claims
- 2771USD1012569SCD caseLIU YAN·Filed 2023·Granted Jan 30, 2024·3 cites·1 claims
- 2871USD935309SCable holderLIU YAN·Filed 2021·Granted Nov 9, 2021·4 cites·1 claims
- 2968US7378784B1Optical filter for CIE daylight simulatorLIU YAN·Filed 2005·Granted May 27, 2008·6 cites·16 claims
- 3067US8951929B2Catalyst preparation and methods of using such catalystsLIU YAN·Filed 2008·Granted Feb 10, 2015·1 cites·25 claims
- 3162US8802011B2Ion chromatography systems with flow-delay eluent recycleLIU YAN·Filed 2013·Granted Aug 12, 2014·0 cites·11 claims
- 3262US8488689B2Channel equalization in a receiverLIU YAN·Filed 2008·Granted Jul 16, 2013·2 cites·17 claims
- 3361US8802010B2Ion chromatography systems with flow-delay eluent recycleLIU YAN·Filed 2013·Granted Aug 12, 2014·0 cites·5 claims
- 3458USD1011802SCD caseLIU YAN·Filed 2023·Granted Jan 23, 2024·1 cites·1 claims
- 3558US8270503B2Digital radio mondiale receiver integer carrier frequency offset estimationLIU YAN·Filed 2008·Granted Sep 18, 2012·1 cites·21 claims
- 3658US2010141929A1Apparatus and method for color measurement and color grading of diamonds, gemstones, and the likeLIU YAN·Filed 2009·Application pending·0 cites
- 3757US8308952B2Ion chromatography system using catalytic gas eliminationLIU YAN·Filed 2012·Granted Nov 13, 2012·0 cites·12 claims
- 3855USD1116069SHandheld fanLIU YAN·Filed 2025·Granted Mar 3, 2026·0 cites·1 claims
- 3955USD1116068SHandheld fanLIU YAN·Filed 2025·Granted Mar 3, 2026·0 cites·1 claims
- 4055US7004624B2Temperature measurement apparatuses and method utilizing the alexandrite effectLIU YAN·Filed 2003·Granted Feb 28, 2006·4 cites·11 claims
- 4154US7052177B2Temperature measurement apparatuses and method utilizing the alexandrite effectLIU YAN·Filed 2005·Granted May 30, 2006·1 cites·15 claims
- 4251US2013213225A1High pressure degas assembly for chromatography system and methodLIU YAN·Filed 2013·Application pending·0 cites
- 4349US2018130008A1System and Method for Aerial Vehicle Automatic Landing and Cargo DeliveryLIU YAN·Filed 2016·Application pending·0 cites
- 4448US2006114642A1Systems and methods for integrated VAR compensation and hydrogen productionLIU YAN·Filed 2004·Application pending·0 cites
- 4546US8208365B2DRM receiver with analog and digital separation filter and demodulation methodLIU YAN·Filed 2008·Granted Jun 26, 2012·0 cites·20 claims
- 4646US8194761B2Sample clock frequency offset estimation in DRMLIU YAN·Filed 2008·Granted Jun 5, 2012·0 cites·19 claims
- 4745US8295372B2DRM receiver and demodulation methodLIU YAN·Filed 2008·Granted Oct 23, 2012·0 cites·20 claims
- 4845US2006134173A1Polysiloxanes, method of synthesis and ophthalmic compositionsLIU YAN·Filed 2005·Application pending·0 cites
- 4941US2013125092A1Generating deployable code from simulation modelsLIU YAN·Filed 2011·Application pending·0 cites
- 5036US8505047B2Method and system for policy-based re-broadcast video on demand serviceLIU YAN·Filed 2010·Granted Aug 6, 2013·0 cites·9 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when LIU YAN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →