Inventor · disambiguated record
Yongqiang Liu
Also filed as: LIU YONGQIANG
15 granted patents·9 pending applications·84 citations·filing 2000–2023
91Inventor score
Files withNEC CHINA CO LTD5SHENZHEN FIRST UNION TECH CO4LIU YONGQIANG3HU YAN2RUDOLPH TECHNOLOGIES INC2
Top patents by PatentIndex Score
24 records- 0189US8023468B2Methods, device and system for access point facilitated fast handoffNEC CHINA CO LTD·Filed 2007·Granted Sep 20, 2011·21 cites·36 claims
- 0284US7539583B2Method and system for defect detectionRUDOLPH TECHNOLOGIES INC·Filed 2005·Granted May 26, 2009·15 cites·19 claims
- 0373US6864971B2System and method for performing optical inspection utilizing diffracted lightISOA INC·Filed 2002·Granted Mar 8, 2005·13 cites·22 claims
- 0472US9628993B2Determining a legitimate access point responseHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Apr 18, 2017·3 cites·6 claims
- 0569USD913858SElectric vehicleWANG CHAO·Filed 2019·Granted Mar 23, 2021·11 cites·1 claims
- 0669US9160701B2Addressing method, addressing apparatus, fabric manager, switch, and data routing methodHU YAN·Filed 2011·Granted Oct 13, 2015·3 cites·20 claims
- 0767US2025057225A1Atomizer and electronic atomization deviceSHENZHEN FIRST UNION TECH CO·Filed 2022·Application pending·0 cites
- 0867US2025049113A1Ultrasonic atomization assembly, ultrasonic atomizer and ultrasonic atomization deviceSHENZHEN FIRST UNION TECH CO·Filed 2022·Application pending·0 cites
- 0964US9172641B2Server interconnection system, server, and data forwarding methodNEC CHINA CO LTD·Filed 2012·Granted Oct 27, 2015·3 cites·18 claims
- 1059US12426636B2E-cigarette vaporizer and e-cigarette that can collect and hold condensate from aerosolSHENZHEN FIRST UNION TECH CO·Filed 2021·Granted Sep 30, 2025·0 cites·19 claims
- 1159US2024334969A1Ultrasonic atomizer, and ultrasonic atomization deviceSHENZHEN FIRST UNION TECH CO·Filed 2022·Application pending·0 cites
- 1255US6813376B1System and method for detecting defects on a structure-bearing surface using optical inspectionRUDOLPH TECHNOLOGIES INC·Filed 2000·Granted Nov 2, 2004·8 cites·3 claims
- 1352USD913857SElectric vehicleWANG CHAO·Filed 2019·Granted Mar 23, 2021·5 cites·1 claims
- 1448US12498878B2Data swapping method and apparatusHUAWEI TECH CO LTD·Filed 2023·Granted Dec 16, 2025·0 cites·17 claims
- 1547US8411585B2Network interference evaluating method, dynamic channel assignment method and apparatus used in wireless networksLIU YONGQIANG·Filed 2009·Granted Apr 2, 2013·2 cites·10 claims
- 1646US2010110920A1Method used for radio measurement and a communication node in a communication networkNEC CHINA CO LTD·Filed 2009·Application pending·0 cites
- 1744US10264013B2Preventing a memory attack to a wireless access pointHEWLETT PACKARD ENTPR DEV LP·Filed 2013·Granted Apr 16, 2019·0 cites·18 claims
- 1843US2008064404A1Methods and device for user terminal based fast handoffNEC CHINA CO LTD·Filed 2007·Application pending·0 cites
- 1938US8486540B2Lead frame sheetLI TING·Filed 2011·Granted Jul 16, 2013·0 cites·15 claims
- 2036US2015358347A1Preventing an input/output blocking attack to a wireless access pointLIU YONGQIANG·Filed 2013·Application pending·0 cites
- 2134US8483089B2Server, method and system for providing node information for P2P networkHU YAN·Filed 2010·Granted Jul 9, 2013·0 cites·13 claims
- 2231US2011099226A1Method of requesting for location information of resources on network, user node and server for the sameNEC CHINA CO LTD·Filed 2010·Application pending·0 cites
- 2331US2011282883A1Indexing server and method thereforLIU YONGQIANG·Filed 2010·Application pending·0 cites
- 2422US2011307564A1Data node apparatus, peer information acquisition method and systemLUO YANLIN·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →