Inventor

LIU MINGHAI

CN2 patents

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

BEIJING ROBOROCK TECHNOLOGY CO LTD

1 patent

US12274410B2Apr 15, 2025

Cleaner hanger assembly

BEIJING ROBOROCK TECHNOLOGY CO LTD0 citations58

HUAWEI TECH CO LTD

1 patent

US7616739B2Nov 10, 2009

Method for forwarding multimedia messages between different multimedia messaging service centers

HUAWEI TECH CO LTD1 citations46