Assignee
AAC MICROTECH CHANGZHOU CO LTD
CN·268 granted patents·162 pending applications·149 citations·filing 2018–2025
Top patents by PatentIndex Score
430 records- 0198US11638097B1SpeakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Apr 25, 2023·12 cites·6 claims
- 0297US11870317B2Vibration motor vibration member with position limiting gap and protruding part from the weightAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Jan 9, 2024·3 cites·8 claims
- 0396US12041435B2Multifunctional sounding deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Jul 16, 2024·6 cites·11 claims
- 0496US11641151B2Linear vibration motor with elastic members with brackets, foams and damping glueAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted May 2, 2023·5 cites·9 claims
- 0596US11570534B2Speaker deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Jan 31, 2023·6 cites·8 claims
- 0695US12120495B2Coaxial speakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Oct 15, 2024·5 cites·10 claims
- 0795US12052540B2Speaker boxAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Jul 30, 2024·4 cites·8 claims
- 0895US12051957B2Linear vibration motorAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Jul 30, 2024·3 cites·14 claims
- 0995US11909289B2Vibration motor with elastic support arm with flangeAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Feb 20, 2024·2 cites·9 claims
- 1094US11968515B2Multifunctional sounding deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Apr 23, 2024·4 cites·10 claims
- 1194US11949308B2Vibration motor with elastic support having acute bending angle and obtuse angleAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Apr 2, 2024·5 cites·8 claims
- 1294US11930341B2Coaxial speakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Mar 12, 2024·5 cites·7 claims
- 1394US11831215B2Linear vibration motorAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Nov 28, 2023·3 cites·6 claims
- 1494US11805369B2Sounding deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Oct 31, 2023·4 cites·8 claims
- 1593US12413897B2Coaxial speakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2023·Granted Sep 9, 2025·3 cites·8 claims
- 1693US12155991B2Electronic device with a function of soundAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Nov 26, 2024·3 cites·10 claims
- 1793US12047733B1Coaxial speakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Jul 23, 2024·3 cites·10 claims
- 1893US11949309B2Linear vibration motor with casing having copper ring and vibration unit with magnetic steel assemblyAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Apr 2, 2024·2 cites·5 claims
- 1993US11917362B2Speaker boxAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Feb 27, 2024·3 cites·7 claims
- 2093US11589143B2Speaker boxAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Feb 21, 2023·5 cites·8 claims
- 2193US11570544B1Sound-absorbing material, preparation method thereof and speaker using sameAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Jan 31, 2023·6 cites·14 claims
- 2291US12052557B2Multifunctional sounding deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Jul 30, 2024·2 cites·8 claims
- 2391US12003937B2SpeakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Jun 4, 2024·2 cites·9 claims
- 2491US11671759B2SpeakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Jun 6, 2023·2 cites·10 claims
- 2591US11589167B1Multifunctional electromagnetic transducerAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Feb 21, 2023·2 cites·10 claims
- 2690US12317047B2Vibration sounding deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2023·Granted May 27, 2025·2 cites·9 claims
- 2790US12156007B2Coaxial speakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Nov 26, 2024·2 cites·9 claims
- 2890US11968514B2Vibration sounding deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Apr 23, 2024·2 cites·10 claims
- 2990US11950046B2Multifunctional sounding deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Apr 2, 2024·2 cites·10 claims
- 3090US11800289B2Sound generatorAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Oct 24, 2023·2 cites·9 claims
- 3189US12101616B2SpeakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Sep 24, 2024·2 cites·8 claims
- 3289US12089023B2Micro speaker and diaphragm moldAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Sep 10, 2024·2 cites·9 claims
- 3389US11950048B2Sound absorption material, method of making the same and speaker box filled with the sameAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Apr 2, 2024·2 cites·10 claims
- 3489US11949307B2Linear vibration motor with iron core and pole pieces with groove on pole piece facing connecting part between magnetsAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Apr 2, 2024·1 cites·7 claims
- 3589US11827156B2Vehicle doorAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Nov 28, 2023·2 cites·10 claims
- 3689US11546695B2SpeakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Jan 3, 2023·2 cites·9 claims
- 3789US11490191B1Acoustic horn and speaker moduleAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Nov 1, 2022·2 cites·16 claims
- 3888US11956614B2Speaker deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Apr 9, 2024·2 cites·10 claims
- 3988US11916458B2Linear vibration motor with solenoid assembly around magnetsAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Feb 27, 2024·1 cites·6 claims
- 4088US11617040B2Vibration system, sounding device and electronic deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Mar 28, 2023·2 cites·10 claims
- 4187US12506392B2Vibration motor with damping glue between elastic arms and metal plates in viberatorAAC MICROTECH CHANGZHOU CO LTD·Filed 2023·Granted Dec 23, 2025·1 cites·5 claims
- 4287US12149908B2Sound deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Nov 19, 2024·2 cites·10 claims
- 4387US11838741B2In-vehicle independent sound zone control method, system and related deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Dec 5, 2023·2 cites·4 claims
- 4486US12451786B2Linear vibration motorAAC MICROTECH CHANGZHOU CO LTD·Filed 2023·Granted Oct 21, 2025·1 cites·9 claims
- 4586US12156008B2Coaxial speakerAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Nov 26, 2024·1 cites·10 claims
- 4685US12289573B1Speaker boxAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Apr 29, 2025·1 cites·10 claims
- 4784US12238500B2Speaker with better acoustic performance structureAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Feb 25, 2025·1 cites·7 claims
- 4883US11943596B2Acoustic deviceAAC MICROTECH CHANGZHOU CO LTD·Filed 2022·Granted Mar 26, 2024·1 cites·10 claims
- 4983US11618361B2Bass automobile seat module and automobileAAC MICROTECH CHANGZHOU CO LTD·Filed 2021·Granted Apr 4, 2023·1 cites·18 claims
- 5082US12389157B2Speaker boxAAC MICROTECH CHANGZHOU CO LTD·Filed 2023·Granted Aug 12, 2025·1 cites·8 claims
Showing the top 50 of 430 patent records by PatentIndex Score.
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