Inventor · disambiguated record
Yukun Chang
Also filed as: CHANG YUKUN
2 granted patents·1 pending application·2 citations·filing 2019–2022
46Inventor score
Top patents by PatentIndex Score
3 records- 0174US11274104B2Crystal forms of thiophene derivativesTIANJIN HEMAY PHARMACEUTICAL CO LTD·Filed 2019·Granted Mar 15, 2022·2 cites·25 claims
- 0263US12227514B2Crystal forms of thiophene derivativesTIANJIN HEMAY PHARMACEUTICAL CO LTD·Filed 2019·Granted Feb 18, 2025·0 cites·35 claims
- 0353US2025074918A1Thiophene derivatives preparingGANZHOU HEMAY PHARMACEUTICAL CO LTD·Filed 2022·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →