Inventor · disambiguated record
Fei Du
Also filed as: DU FEI
9 granted patents·5 pending applications·83 citations·filing 2009–2025
84Inventor score
Files withBEIJING ZHONG KE SAN HUAN5SHENZHEN BREO TECHNOLOGY CO4CAO YU1FULIAN YUZHAN PRECISION TECH CO LTD1HUAWEI TECH CO LTD1
Top patents by PatentIndex Score
14 records- 0188USD888263SNeck massagerSHENZHEN BREO TECHNOLOGY CO·Filed 2018·Granted Jun 23, 2020·32 cites·1 claims
- 0287USD844163SMassagerSHENZHEN BREO TECHNOLOGY CO·Filed 2018·Granted Mar 26, 2019·33 cites·1 claims
- 0376US10025198B2Smart selection and/or weighting of parameters for lithographic process simulationCAO YU·Filed 2009·Granted Jul 17, 2018·5 cites·23 claims
- 0472USD897733SNeck care pillow deviceSHENZHEN BREO TECHNOLOGY CO·Filed 2019·Granted Oct 6, 2020·13 cites·1 claims
- 0570US12305265B2Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll deviceBEIJING ZHONG KE SAN HUAN·Filed 2022·Granted May 20, 2025·0 cites·3 claims
- 0669US2019329319A1Fine grain rare earth alloy cast strip, preparation method thereof, and a rotary cooling roll deviceBEIJING ZHONG KE SAN HUAN·Filed 2019·Application pending·0 cites
- 0765US2024274334A1R-t-b magnet and preparation method thereofBEIJING ZHONG KE SAN HUAN·Filed 2024·Application pending·0 cites
- 0861US2025285789A1Ce-CONTAINING NEODYMIUM-IRON-BORON MAGNET AND PREPARATION METHOD AND APPLICATION THEREOFBEIJING ZHONG KE SAN HUAN·Filed 2025·Application pending·0 cites
- 0960US2025336578A1R-t-b magnet and preparation methodBEIJING ZHONG KE SAN HUAN·Filed 2025·Application pending·0 cites
- 1060US2023384769A1Method for establishing dyeing model, dyeing method, and dyeing deviceFULIAN YUZHAN PRECISION TECH CO LTD·Filed 2023·Application pending·0 cites
- 1154US12131850B2Rare earth magnet and preparation method thereofSANVAC BEIJING MAGNETICS CO LTD·Filed 2021·Granted Oct 29, 2024·0 cites·9 claims
- 1243US11555862B2Ground fault detection method and systemWANBANG DIGITAL ENERGY CO LTD·Filed 2020·Granted Jan 17, 2023·0 cites·8 claims
- 1333USD1085450SDevice for massaging scalpSHENZHEN BREO TECHNOLOGY CO·Filed 2023·Granted Jul 22, 2025·0 cites·1 claims
- 1429US9591678B2Call processing method and access network element in mobile communications systemHUAWEI TECH CO LTD·Filed 2015·Granted Mar 7, 2017·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →