INTERNATIONAL PATENT: HARMAN INTERNATIONAL INDUSTRIES,INCORPORATED, ZHANG, YONGYUAN FILES APPLICATION FOR "MULTILAYER SOUND-ABSORBING METAMATERIAL UNIT, MULTILAYER SOUND-ABSORBING METAMATERIAL AND METHOD"

GENEVA, Dec. 15 -- HARMAN INTERNATIONAL INDUSTRIES , INCORPORATED (400 Atlantic Street, 15th Floor, StamfordConnecticut 06901), ZHANG, Yongyuan (19F, China Merchants Port Plaza, No. 1, Gongye 3rd Road, Shekou, Nanshan DistrictShenzhen, Guangdong 518067) filed a patent application (PCT/CN2024/097091) for "MULTILAYER SOUND-ABSORBING METAMATERIAL UNIT, MULTILAYER SOUND-ABSORBING METAMATERIAL AND METHOD" on Jun 03, 2024. With publication no. WO/2025/251176, the details related to the patent application was published on Dec 11, 2025.

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

Inventor(s): JIANG, Yu (19F, China...