P

Inventor

ZHENG QINGFEI

CN4 patents
⚠️ This page may combine multiple inventors who share the name “ZHENG QINGFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHENG QINGFEI

1 patent

DAI XIANGJUN

1 patent

PAN QIUPING

1 patent

MI YAOZHONG

1 patent