XH

Xuming He

SC Shenzhen Grandsun Electronic Co.: 1 patents #6 of 12Top 50%
Overall (2024): #215,367 of 561,600Top 40%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11991494 Keyless control device and earphone Shiwen Guo, Xin Yu, Hui-Chun Yang, Xianzhuo Qin, Ruiwen Shi +1 more 2024-05-21