International Patent: SOUND-ABSORBING BLOCK AND PREPARATION METHOD THEREFOR, AND SOUND PRODUCTION DEVICE

GENEVA, July 31 -- AAC MICROTECH (CHANGZHOU) CO., LTD. filed a patent application (CN2025/074058) for “SOUND-ABSORBING BLOCK AND PREPARATION METHOD THEREFOR, AND SOUND PRODUCTION DEVICE”. With publication no. WO/2026/156553, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: G10K 11/168

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

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