Inventor · disambiguated record
Xiaohan Liu
Also filed as: LIU XIAOHAN
21 granted patents·7 pending applications·116 citations·filing 2004–2025
93Inventor score
Files withHUAWEI TECH CO LTD11LIU XIAOHAN4NANJING HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD4SUQIAN HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD2ZTE CORP2
Top patents by PatentIndex Score
28 records- 0196US7936880B2Method, apparatus and system for key derivationHUAWEI TECH CO LTD·Filed 2010·Granted May 3, 2011·30 cites·18 claims
- 0294US9049594B2Method and device for key generationHUAWEI TECH CO LTD·Filed 2013·Granted Jun 2, 2015·20 cites·25 claims
- 0394US8019083B2Method, apparatus and system for key derivationHUAWEI TECH CO LTD·Filed 2011·Granted Sep 13, 2011·17 cites·20 claims
- 0490US8713320B2Security authentication method, apparatus, and systemXU YIXIAN·Filed 2012·Granted Apr 29, 2014·32 cites·43 claims
- 0589US11247174B2Drainage device and system for controlling discharging of concentrated water in water purification processSUQIAN HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD·Filed 2021·Granted Feb 15, 2022·5 cites·20 claims
- 0673US8527904B2Quick data entry lanes for touch screen mobile devicesLIU XIAOHAN·Filed 2012·Granted Sep 3, 2013·5 cites·20 claims
- 0770US8769283B2MTC device authentication method, MTC gateway, and related deviceLIU XIAOHAN·Filed 2012·Granted Jul 1, 2014·3 cites·12 claims
- 0869US8706085B2Method and apparatus for authenticating communication deviceHUAWEI TECH CO LTD·Filed 2012·Granted Apr 22, 2014·3 cites·16 claims
- 0965US12013049B2Concentrated water regulating valveNANJING HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD·Filed 2023·Granted Jun 18, 2024·0 cites·12 claims
- 1064US12076673B2Filter element mounting structureNANJING HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD·Filed 2024·Granted Sep 3, 2024·0 cites·15 claims
- 1164US8934914B2Key separation method and deviceHUAWEI TECH CO LTD·Filed 2013·Granted Jan 13, 2015·1 cites·15 claims
- 1262US12011683B2Filter element butt joint mechanismNANJING HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD·Filed 2024·Granted Jun 18, 2024·0 cites·12 claims
- 1360US10334492B2Method, apparatus and system for key derivationHUAWEI TECH CO LTD·Filed 2017·Granted Jun 25, 2019·0 cites·18 claims
- 1459US2025216324A1Device for measuring optical spectrum of flowing liquidLIU GUO·Filed 2025·Application pending·0 cites
- 1556US9661539B2Method, apparatus and system for key derivationHUAWEI TECH CO LTD·Filed 2015·Granted May 23, 2017·0 cites·21 claims
- 1656US9125116B2Method, apparatus and system for key derivationHUAWEI TECH CO LTD·Filed 2012·Granted Sep 1, 2015·0 cites·20 claims
- 1753US8320568B2Method, apparatus and system for key derivationHUANG MIN·Filed 2011·Granted Nov 27, 2012·0 cites·20 claims
- 1853US2022403174A1Method for preparing colorant having target color and colorantUNIV FUDAN·Filed 2022·Application pending·0 cites
- 1952US8990261B2Quick data entry lanes for touch screen mobile devicesORACLE INT CORP·Filed 2013·Granted Mar 24, 2015·0 cites·20 claims
- 2050US2022119276A1Water tank assembly for purifying water and water purification systemSUQIAN HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD·Filed 2021·Application pending·0 cites
- 2146US7783319B2Adjustment method for control threshold of terminal forward transmission power in a mobile communication systemZTE CORP·Filed 2004·Granted Aug 24, 2010·0 cites·7 claims
- 2245US7840231B2Method to adjust forward transmission power control threshold in mobile communication systemZTE CORP·Filed 2004·Granted Nov 23, 2010·0 cites·9 claims
- 2345US2025355323A1Variable aperture, camera module, and electronic deviceHUAWEI TECH CO LTD·Filed 2022·Application pending·0 cites
- 2442US11946556B2Valve bodyNANJING HANSHU ENVIRONMENTAL PROT EQUIPMENT CO LTD·Filed 2021·Granted Apr 2, 2024·0 cites·17 claims
- 2541US2013128866A1Method, apparatus, and system for security processing in handover processHUAWEI TECH CO LTD·Filed 2013·Application pending·0 cites
- 2640US8452318B2Method and systems for power overload control of the trunking group forward supplemental channelLIU XIAOHAN·Filed 2006·Granted May 28, 2013·0 cites·12 claims
- 2736US2012093036A1Method, system and network device for implementing local ip accessLIU XIAOHAN·Filed 2011·Application pending·0 cites
- 2836US2024061317A1Camera module and electronic deviceHUAWEI TECH CO LTD·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →