Inventor

LIU JINGYUN

CN2 patents

Patents

2 patents

US11646509B2May 9, 2023

Grounding elastic contact and electronic device

SHENZHEN JOHAN MATERIAL TECH CO LTD0 citations37

US11881333B1Jan 23, 2024

Ground terminal and electronic device

SHENZHEN JOHAN MATERIAL TECH CO LTD0 citations34