Inventor

ZHONG ZHIWEI

CN54 patents

⚠️ This page may combine multiple inventors who share the name “ZHONG ZHIWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AAC MICROTECH CHANGZHOU CO LTD

47 patents

US12155991B2Nov 26, 2024

Electronic device with a function of sound

AAC MICROTECH CHANGZHOU CO LTD3 citations75

US11570534B2Jan 31, 2023

Speaker device

AAC MICROTECH CHANGZHOU CO LTD6 citations75

US12120495B2Oct 15, 2024

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD5 citations74

US12047733B1Jul 23, 2024

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD3 citations74

US12156007B2Nov 26, 2024

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD2 citations73

US12156008B2Nov 26, 2024

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD1 citations62

US11758321B2Sep 12, 2023

Speaker box

AAC MICROTECH CHANGZHOU CO LTD1 citations62

US11665471B1May 30, 2023

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations62

US11665480B2May 30, 2023

Speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations62

US12587789B2Mar 24, 2026

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12587791B2Mar 24, 2026

Sound-generating device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12532121B2Jan 20, 2026

Speaker device and stylus

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12532122B2Jan 20, 2026

Speaker device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12513464B2Dec 30, 2025

Single power amplifier circuit realizes high and low frequency division of a speaker and anti-phase muffling of a receiver, and sounding device incorporating same

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12483823B2Nov 25, 2025

Sound-generating device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12477268B2Nov 18, 2025

Speaker device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12452597B2Oct 21, 2025

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12452581B2Oct 21, 2025

Earphone core and earphone

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12407976B2Sep 2, 2025

Coaxial earphone core

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12407975B2Sep 2, 2025

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12407987B2Sep 2, 2025

Speaker device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12407986B2Sep 2, 2025

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12401939B2Aug 26, 2025

Coaxial speaker box

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12395795B2Aug 19, 2025

Sound device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12389161B2Aug 12, 2025

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12317048B2May 27, 2025

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12289572B2Apr 29, 2025

Electronic device with a sounding function

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12289591B2Apr 29, 2025

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12289590B2Apr 29, 2025

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12160719B2Dec 3, 2024

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12160720B2Dec 3, 2024

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12160721B2Dec 3, 2024

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12155992B2Nov 26, 2024

Coaxial speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US12088994B2Sep 10, 2024

Speaker box

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11770655B2Sep 26, 2023

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11765512B2Sep 19, 2023

Acoustic device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11696077B2Jul 4, 2023

Speaker device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11671761B2Jun 6, 2023

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11665479B2May 30, 2023

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11665481B2May 30, 2023

Speaker device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11659334B2May 23, 2023

Acoustic device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11638074B2Apr 25, 2023

Speaker device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11622201B2Apr 4, 2023

Speaker

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11589165B2Feb 21, 2023

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11570533B2Jan 31, 2023

Speaker device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11516592B2Nov 29, 2022

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

US11516589B2Nov 29, 2022

Sounding device

AAC MICROTECH CHANGZHOU CO LTD0 citations52

AAC TECHNOLOGIES PTE LTD

2 patents

US11076232B2Jul 27, 2021

Diaphragm and sound generator having same

AAC TECHNOLOGIES PTE LTD0 citations62

US10917726B2Feb 9, 2021

Diaphragm and sounding device

AAC TECHNOLOGIES PTE LTD0 citations62

HUAWEI TECH CO LTD

1 patent

US9712237B2Jul 18, 2017

Optical distribution method, device, and system

HUAWEI TECH CO LTD2 citations71

Showing the top 50 of 54 patents by PatentIndex Score.