P
PatentIndex
Search
Landscape
Sign in
Inventor
ZHENG GUOLAN
CN
2 patents
Patents
2 patents
US10826847B2
Nov 3, 2020
Port auto-negotiation method and device
HUAWEI TECH CO LTD
0 citations
30
US9092154B2
Jul 28, 2015
Device information backup method, device, and system
HUAWEI TECH CO LTD
0 citations
27