Inventor · disambiguated record
Lingfeng Han
Also filed as: HAN LINGFENG
2 granted patents·0 citations·filing 2021–2021
23Inventor score
Top patents by PatentIndex Score
2 records- 0160US12129196B2Silica removal reagent for reverse osmosis membrane pretreatmentECOLAB USA INC·Filed 2021·Granted Oct 29, 2024·0 cites·18 claims
- 0239US12122014B2Replacing tool for sponge brush, method for installing sponge brush, and semiconductor chemical mechanical polishing apparatusCHANGXIN MEMORY TECH INC·Filed 2021·Granted Oct 22, 2024·0 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →