Inventor · disambiguated record
Hanjun Liu
Also filed as: LIU HANJUN
5 granted patents·1 pending application·3 citations·filing 2004–2024
64Inventor score
Files withSHENZHEN HUA XIN INFORMATION TECH CO LTD2SICHUAN HONGDA SECURITY TECH SERVICE CO LTD2LIU HANJUN1ZHU XIONGWEI1
Top patents by PatentIndex Score
6 records- 0184US12174082B1Integrated detection test device for drill bit and rotary blowout preventer and detection method thereofSICHUAN HONGDA SECURITY TECH SERVICE CO LTD·Filed 2024·Granted Dec 24, 2024·1 cites·10 claims
- 0264US12490671B2Robotic lawnmowerSHENZHEN HUA XIN INFORMATION TECH CO LTD·Filed 2024·Granted Dec 9, 2025·0 cites·7 claims
- 0362USD1012982SLawnmower robotSHENZHEN HUA XIN INFORMATION TECH CO LTD·Filed 2023·Granted Jan 30, 2024·2 cites·1 claims
- 0447US12163856B1Multifunctional rotary blowout preventer test device and method thereofSICHUAN HONGDA SECURITY TECH SERVICE CO LTD·Filed 2024·Granted Dec 10, 2024·0 cites·9 claims
- 0534US2006148462A1Customizable mobile phone using at commandZHU XIONGWEI·Filed 2004·Application pending·0 cites
- 0621US9021530B2Method and system for playing background music and key tone based on embedded browserLIU HANJUN·Filed 2010·Granted Apr 28, 2015·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →