Inventor · disambiguated record
Zizheng Ai
Also filed as: Ai Zizheng
1 granted patent·1 pending application·1 citations·filing 2020–2020
15Inventor score
Technology areasA61B
Files withDONG XIEPING2
Top patents by PatentIndex Score
2 records- 0163US12290296B2Bone fixation system capable of gradually changing from rigid fixation to axial non-rigid fixationDONG XIEPING·Filed 2020·Granted May 6, 2025·1 cites·7 claims
- 0233US2022354655A1Femoral neck-preserving artificial hip joint femoral prosthesisDONG XIEPING·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →