CJ

Chengxia Ji

AP Aac Technologies Pte.: 5 patents #89 of 401Top 25%
Huawei: 2 patents #5,439 of 15,535Top 40%
Overall (All Time): #688,974 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12432479 Earphone and mobile terminal Xiangao Song, Rongrong Wu, Yong Zheng, Zhengxue Li 2025-09-30
12167194 Ear pad, earmuff component, and headset Guozhen Ma, Rongrong Wu, Yong Zheng, Yu Zhang 2024-12-10
10932033 Speaker box Rongrong Wu, Kejia Liu 2021-02-23
10715920 Electronic device Shun Guo, Huan Ge 2020-07-14
9998830 Speaker Lubin Mao, Shun Guo 2018-06-12
9998833 Speaker Hongxing Wang 2018-06-12
9906868 Miniature speaker Lubin Mao, Fei Hou 2018-02-27