Inventor · disambiguated record
Qiaofeng Zhang
Also filed as: ZHANG QIAOFENG
3 granted patents·0 citations·filing 2008–2024
43Inventor score
Top patents by PatentIndex Score
3 records- 0157US12289511B2Electronic device, photographing method, and photographing apparatus with slidable arc-shaped surfacesVIVO MOBILE COMMUNICATION CO LTD·Filed 2024·Granted Apr 29, 2025·0 cites·7 claims
- 0252US11902645B2Electronic device, photographing method, and photographing apparatus with slidable arc-shaped surfacesVIVO MOBILE COMMUNICATION CO LTD·Filed 2022·Granted Feb 13, 2024·0 cites·13 claims
- 0342US7723449B2Catalysts for synthesizing a polypropylene with a wide molecular weight distribution and use of the sameCHANGCHUN APPLIED CHEMISTRY·Filed 2008·Granted May 25, 2010·0 cites·11 claims
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