Inventor

ZHANG QIAOFENG

CN3 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG QIAOFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VIVO MOBILE COMMUNICATION CO LTD

2 patents

US12289511B2Apr 29, 2025

Electronic device, photographing method, and photographing apparatus with slidable arc-shaped surfaces

VIVO MOBILE COMMUNICATION CO LTD0 citations50

US11902645B2Feb 13, 2024

Electronic device, photographing method, and photographing apparatus with slidable arc-shaped surfaces

VIVO MOBILE COMMUNICATION CO LTD0 citations50

CHANGCHUN APPLIED CHEMISTRY

1 patent

US7723449B2May 25, 2010

Catalysts for synthesizing a polypropylene with a wide molecular weight distribution and use of the same

CHANGCHUN APPLIED CHEMISTRY0 citations33