Inventor

LUO XI-JUAN

CN3 patents

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

HONGFUJIN PREC ELECTRONICS (ZHENGZHOU) CO LTD

1 patent

US9859072B2Jan 2, 2018

Waterproof button and electronic device using same

HONGFUJIN PREC ELECTRONICS (ZHENGZHOU) CO LTD4 citations61

ZHENGZHOU WANMAYUN ELECTRONIC TECH CO LTD

1 patent

US12473705B2Nov 18, 2025

Sel-reporting monitor for integrity and conditions of manhole cover

ZHENGZHOU WANMAYUN ELECTRONIC TECH CO LTD0 citations57

HONGFUJIN PREC ELECT ZHENGZHOU CO LTD

1 patent

US11357115B2Jun 7, 2022

Housing assembly and electronic device using same

HONGFUJIN PREC ELECT ZHENGZHOU CO LTD0 citations45