RM

Rujia Mao

DC Dakang Holding Co.: 1 patents #1 of 3Top 35%
Overall (2025): #233,805 of 469,880Top 50%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12200417 Loudspeaker mesh cover and light-emitting loudspeaker having same Xiaoyu He, Guofei Yuan 2025-01-14