Inventor

HAN LINGFENG

CN2 patents

⚠️ This page may combine multiple inventors who share the name “HAN LINGFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ECOLAB USA INC

1 patent

US12129196B2Oct 29, 2024

Silica removal reagent for reverse osmosis membrane pretreatment

ECOLAB USA INC0 citations53

CHANGXIN MEMORY TECH INC

1 patent

US12122014B2Oct 22, 2024

Replacing tool for sponge brush, method for installing sponge brush, and semiconductor chemical mechanical polishing apparatus

CHANGXIN MEMORY TECH INC0 citations37