ZR

Zhang Ren

AC Aac Microtech (Changzhou) Co.: 8 patents #5 of 45Top 15%
AC Aac Acoustic Technologies (Shenzhen) Co.: 1 patents #18 of 37Top 50%
Overall (2023): #10,972 of 537,848Top 3%
8
Patents 2023

Issued Patents 2023

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11765512 Acoustic device Zhiwei Zhong 2023-09-19
11758321 Speaker box Zhiwei Zhong 2023-09-12
11671762 Speaker Zhiwei Zhong, Zhichen Chen 2023-06-06
11665481 Speaker device Zhiwei Zhong 2023-05-30
11665471 Sounding device Zhiwei Zhong 2023-05-30
11665480 Speaker Zhiwei Zhong 2023-05-30
11659334 Acoustic device Zhiwei Zhong 2023-05-23
11622201 Speaker Zhiwei Zhong 2023-04-04