Inventor
WANG HEZHI
CN12 patents
⚠️ This page may combine multiple inventors who share the name “WANG HEZHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AAC ACOUSTIC TECH SHENZHEN CO LTD
4 patentsUS11109149B2Aug 31, 2021
Sound absorbing material and speaker box using same
AAC ACOUSTIC TECH SHENZHEN CO LTD7 citations81
US11140475B2Oct 5, 2021
Sound absorbing material, method for process same and speaker using same
AAC ACOUSTIC TECH SHENZHEN CO LTD3 citations70
US10939195B2Mar 2, 2021
Sound absorbing material and speaker box using same
AAC ACOUSTIC TECH SHENZHEN CO LTD3 citations69
US12538070B2Jan 27, 2026
Sound-absorbing material block, method for preparing the same and its application
AAC ACOUSTIC TECH SHENZHEN CO LTD0 citations50
AAC MICROTECH CHANGZHOU CO LTD
3 patentsUS11570544B1Jan 31, 2023
Sound-absorbing material, preparation method thereof and speaker using same
AAC MICROTECH CHANGZHOU CO LTD6 citations84
US11950048B2Apr 2, 2024
Sound absorption material, method of making the same and speaker box filled with the same
AAC MICROTECH CHANGZHOU CO LTD2 citations71
US11863932B2Jan 2, 2024
Sound-absorbing material and speaker using same
AAC MICROTECH CHANGZHOU CO LTD0 citations61
AAC TECHNOLOGIES PTE LTD
3 patentsUS11488570B2Nov 1, 2022
Sound adsorbing material and speaker box
AAC TECHNOLOGIES PTE LTD7 citations82
US10506333B2Dec 10, 2019
Acoustic device
AAC TECHNOLOGIES PTE LTD6 citations71
US11014820B2May 25, 2021
Molecular sieve, preparation thereof and acoustic absorption material and speaker containing the same
AAC TECHNOLOGIES PTE LTD2 citations70