Inventor · disambiguated record
Liwei Tang
Also filed as: TANG LIWEI
2 granted patents·0 citations·filing 2022–2023
22Inventor score
Files withSHANDONG FOCUSFREDA BIOTECH CO LTD2
Top patents by PatentIndex Score
2 records- 0156US11919976B1Preparation and purification method for cationic quaternary ammonium salt of sodium hyaluronate in homogeneous mediumSHANDONG FOCUSFREDA BIOTECH CO LTD·Filed 2023·Granted Mar 5, 2024·0 cites·8 claims
- 0252US12435162B2Preparation method for acetylated sodium hyaluronateSHANDONG FOCUSFREDA BIOTECH CO LTD·Filed 2022·Granted Oct 7, 2025·0 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →