Inventor · disambiguated record
Yun Fei Qi
Also filed as: QI YUN · Qi Yun Fei
4 granted patents·1 pending application·4 citations·filing 2018–2021
60Inventor score
Top patents by PatentIndex Score
5 records- 0177US10907517B2Silencer and vehicle engine including sameMANN & HUMMEL GMBH·Filed 2018·Granted Feb 2, 2021·3 cites·12 claims
- 0271US11305260B2Catalyst for gasoline engine exhaust gas aftertreatmentBASF CORP·Filed 2019·Granted Apr 19, 2022·1 cites·18 claims
- 0358US12364974B2Particulate filterBASF CORP·Filed 2020·Granted Jul 22, 2025·0 cites·16 claims
- 0449US12264608B2Catalyzed gasoline particulate filterBASF MOBILE EMISSIONS CATALYSTS LLC·Filed 2020·Granted Apr 1, 2025·0 cites·17 claims
- 0539US2024001271A1Particulate Filter Having A Centralized-Distributed Functional Material Layer And Process For Preparing The SameBASF CORP·Filed 2021·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →