Inventor · disambiguated record
Junbiao Chang
Also filed as: CHANG JUNBIAO
13 granted patents·3 pending applications·65 citations·filing 2002–2021
88Inventor score
Files withHENAN GENUINE BIOTECH CO LTD6ZHEJIANG AUSUN PHARMACEUTICAL CO LTD4CHANG JUNBIAO3HUANG QIANG1IRM LLC1
Top patents by PatentIndex Score
16 records- 0188US8835615B22′-fluorine-4′-substituted-nucleoside analogues, preparation methods and uses thereofCHANG JUNBIAO·Filed 2008·Granted Sep 16, 2014·18 cites·13 claims
- 0284US9156874B2Double-liver-targeting phosphoramidate and phosphonoamidate prodrugsNANJING MOLECULAR RES INC·Filed 2013·Granted Oct 13, 2015·21 cites·20 claims
- 0384US9095599B2O-(substituted benzyl) phosphoramidate compounds and therapeutic useCHANG JUNBIAO·Filed 2011·Granted Aug 4, 2015·16 cites·19 claims
- 0473US9422321B2Pyrimidine nucleoside derivatives, synthesis methods and uses thereof for preparing anti-tumor and anti-virus medicamentsCHANG JUNBIAO·Filed 2011·Granted Aug 23, 2016·5 cites·20 claims
- 0571US11148991B25-bromo-2-(alpha-hydroxypentyl)benzoic acid sodium salts in different crystal forms, and preparation method thereofZHEJIANG AUSUN PHARMACEUTICAL CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·10 claims
- 0670US6861533B2Solution phase sythesis of arylbenzoxazolesIRM LLC·Filed 2002·Granted Mar 1, 2005·4 cites·6 claims
- 0769US9902682B25-bromo-2-(alpha-hydroxypentyl)benzoic acid sodium salts in different crystal forms, and preparation method thereofZHEJIANG AUSUN PHARMACEUTICAL CO LTD·Filed 2014·Granted Feb 27, 2018·1 cites·8 claims
- 0863US10604471B25-bromo-2-(alpha-hydroxypentyl)benzoic acid sodium salts in different crystal forms, and preparation method thereofZHEJIANG AUSUN PHARMACEUTICAL CO LTD·Filed 2019·Granted Mar 31, 2020·0 cites·12 claims
- 0958US10377693B25-bromo-2-(α-hydroxypentyl)benzoic acid sodium salts in different crystal forms, and preparation method thereofZHEJIANG AUSUN PHARMACEUTICAL CO LTD·Filed 2017·Granted Aug 13, 2019·0 cites·11 claims
- 1057US11578049B2Benzoic acid compound and method for preparing the sameHENAN GENUINE BIOTECH CO LTD·Filed 2020·Granted Feb 14, 2023·0 cites·8 claims
- 1154US2022002333A1Crystalline form a of 2'-fluoro-4'-substituted nucleoside analogue i and preparation method and application thereofHENAN GENUINE BIOTECH CO LTD·Filed 2021·Application pending·0 cites
- 1249US12297224B2Crystal form, preparation method, and application of 4'-substituted nucleosideHENAN GENUINE BIOTECH CO LTD·Filed 2019·Granted May 13, 2025·0 cites·2 claims
- 1348US2023277576A1A method for preventing or treating a cornavirus infectious diseaseHENAN GENUINE BIOTECH CO LTD·Filed 2021·Application pending·0 cites
- 1447US12428398B22-(2,4,5-substituted phenylamino) pyrimidine derivative and crystalline form B thereofHENAN GENUINE BIOTECH CO LTD·Filed 2021·Granted Sep 30, 2025·0 cites·3 claims
- 1547US10919908B2Thienopyrimidinone derivative and application thereof in preparing anticancer drugHENAN GENUINE BIOTECH CO LTD·Filed 2019·Granted Feb 16, 2021·0 cites·8 claims
- 1643US2014315850A12',3'-Dideoxy-2'-alpha-Fluoro-2'-beta-C-Methylnucleosides and Prodrugs ThereofHUANG QIANG·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Junbiao Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →