Inventor

ZHANG QUANFENG

CN3 patents

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

HUI YU EN TECH SHENZHEN CO LTD

1 patent

USD1028219SMay 21, 2024

End-expiratory bag collection

HUI YU EN TECH SHENZHEN CO LTD4 citations60

HUAWEI TECH CO LTD

1 patent

US10935671B2Mar 2, 2021

Positioning method, assistant site, and system

HUAWEI TECH CO LTD0 citations60

UNIV SHENYANG NORMAL

1 patent

US11134708B2Oct 5, 2021

Nutritional recombination rice and preparation method thereof

UNIV SHENYANG NORMAL0 citations47