Inventor · disambiguated record
Qingshan Li
Also filed as: LI QINGSHAN
8 granted patents·4 pending applications·31 citations·filing 2006–2022
83Inventor score
Top patents by PatentIndex Score
12 records- 0188US8431122B2Purification and isolation of recombinant oxalate degrading enzymes and spray-dried particles containing oxalate degrading enzymesSIDHU HARMEET·Filed 2009·Granted Apr 30, 2013·16 cites·19 claims
- 0282US8940295B2Purification and isolation of recombinant oxalate degrading enzymes and spray-dried particles containing oxalate degrading enzymesOXTHERA INTELLECTUAL PROPERTY AB·Filed 2013·Granted Jan 27, 2015·5 cites·20 claims
- 0376US9833499B2Purification and isolation of recombinant oxalate degrading enzymes and spray-dried particles containing oxalate degrading enzymesOXTHERA INTELLECTUAL PROPERTY AB·Filed 2014·Granted Dec 5, 2017·2 cites·13 claims
- 0476US8900575B2Compositions and methods for oxalate reductionLI QINGSHAN·Filed 2006·Granted Dec 2, 2014·5 cites·18 claims
- 0573US10174354B2Recombinant Phe-free proteins for use in the treatment of phenylketonuriaNEXTTOBE AB·Filed 2015·Granted Jan 8, 2019·3 cites·19 claims
- 0663US2022298497A1High efficiency oxalate-degrading enzymes for degradation of insoluble and soluble oxalateOXIDIEN PHARMACEUTICALS LLC·Filed 2022·Application pending·0 cites
- 0761US10568946B2Purification and isolation of recombinant oxalate degrading enzymes and spray-dried particles containing oxalate degrading enzymesOXTHERA INTELLECTUAL PROPERTY AB·Filed 2017·Granted Feb 25, 2020·0 cites·15 claims
- 0858US2024024385A1Probiotic strain for reducing serum uric acid, composition and use thereofNINGBO BEIYIJIA BIOTECHNOLOGY CO LTD·Filed 2022·Application pending·0 cites
- 0954US10272043B2Compositions and methods for oxalate reductionOXTHERA INTELLECTUAL PROPERTY AB·Filed 2014·Granted Apr 30, 2019·0 cites·16 claims
- 1052US11603524B2High efficiency oxalate-degrading enzymes for degradation of insoluble and soluble oxalateCAPTOZYME INC·Filed 2016·Granted Mar 14, 2023·0 cites·21 claims
- 1136US2019133968A1Applications of benzophenones in preparation of drugUNIV SHANXI MEDICAL·Filed 2017·Application pending·0 cites
- 1233US2012189604A1Purification and isolation of recombinant oxalate degrading enzymes and spray-dried particles containing oxalate degrading enzymesSIDHU HARMEET·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →