ZR

Zhang Ren

AC Aac Microtech (Changzhou) Co.: 11 patents #1 of 83Top 2%
Overall (2024): #7,034 of 561,600Top 2%
11
Patents 2024

Issued Patents 2024

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12160719 Coaxial speaker Qi Wang, Zhiwei Zhong 2024-12-03
12160721 Coaxial speaker Zhiwei Zhong 2024-12-03
12160720 Coaxial speaker Qi Wang, Zhiwei Zhong 2024-12-03
12155992 Coaxial speaker Qi Wang, Zhiwei Zhong 2024-11-26
12155991 Electronic device with a function of sound Zhiwei Zhong, Qi Wang 2024-11-26
12156007 Coaxial speaker Zhiwei Zhong 2024-11-26
12156008 Coaxial speaker Zhiwei Zhong 2024-11-26
12120495 Coaxial speaker Zhiwei Zhong 2024-10-15
12088994 Speaker box Zhiwei Zhong 2024-09-10
12052540 Speaker box Xin Jin, Fan Zhang, Ronglin Linghu, Wei Song 2024-07-30
12047733 Coaxial speaker Zhiwei Zhong 2024-07-23