LJ

Ling Ju

Overall (2025): #305,222 of 469,880Top 65%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12230242 Sound gathering device for voiceprint monitoring and preparation method Yong Li, Ting-Ni Chen, Jijing Yin, Ze Zhang, Xingchun Xu +16 more 2025-02-18