Inventor

YU CHUNHONG

CN3 patents

Patents

3 patents

US12273677B2Apr 8, 2025

Wireless listening device

LISTENING WISDOM NANJING TECH CO LTD0 citations41

US12598409B2Apr 7, 2026

In-ear wearable device

LISTENING WISDOM NANJING TECH CO LTD0 citations37

US12323756B2Jun 3, 2025

In-ear wearable device

LISTENING WISDOM NANJING TECH CO LTD0 citations37