Inventor · disambiguated record
Changquan Sun
Also filed as: SUN CHANGQUAN · SUN CHANGQUAN C
0 granted patents·2 pending applications·0 citations·filing 2004–2023
Files withSHANGHAI QWIK SMART TECH CO LTD1
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →