Inventor · disambiguated record
Haifeng Ji
Also filed as: JI HAIFENG
1 granted patent·3 pending applications·1 citations·filing 2019–2022
17Inventor score
Top patents by PatentIndex Score
4 records- 0165US11130847B2Externally activated shape changing deviceUNIV DREXEL·Filed 2019·Granted Sep 28, 2021·1 cites·18 claims
- 0255US2024399469A1Drill Bit Cutter and Drill BitBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 0352US2024189924A1Cutting Body and Drilling Tool Having a Cutting BodyBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 0446US2024300033A1Drill Blade for Drilling Hard Materials and Drill BitBOSCH GMBH ROBERT·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →