23 Utility Patents
#872 in Shenzhen
#4,830 in China
#138,283 in the World
Forward Citations = 49
Company Filing History:

Aac Microtech (changzhou) Co, , Ltd.
Aac Acoustic Technologies (shenzhen) Co., Ltd.
4. 1 out of 4,764

5. 1 out of 90
Black Sesame Technologies Inc.
where one patent can have more than one assignee
Get your Inventor Badge Today