Patent assignee · CN · COMPANY

AAC Microtech (Changzhou) Co., Ltd.

241Patents
241Active
241Granted
71Portfolio score

Filing activity: Jan 10, 2013 → Dec 28, 2023

Most-cited patents

PatentTitleAreaCited byStatus
US9148716B2 Vibration speaker Electricity 30 Active
US9544671B2 Speaker-box Electricity 22 Active
US9154865B2 Acoustic device Electricity 9 Active
US8855354B2 Electroacoustic transducer with wireless charging coil Electricity 7 Active
US11930341B2 Coaxial speaker Electricity 4 Active
US11589143B2 Speaker box Electricity 4 Active
US9338532B2 Suspension and speaker using same Electricity 4 Active
US12120495B2 Coaxial speaker Electricity 3 Active
US12052540B2 Speaker box Electricity 3 Active
US11638097B1 Speaker Electricity 3 Active
US11570534B2 Speaker device Electricity 3 Active
US8848961B2 Speaker box with U-shaped bending channels Electricity 3 Active
US12155991B2 Electronic device with a function of sound Electricity 2 Active
US12041435B2 Multifunctional sounding device Electricity 2 Active
US11805369B2 Sounding device Electricity 2 Active
US12047733B1 Coaxial speaker Electricity 2 Active
US9210511B2 Micro-electroacoustic device Electricity 2 Active
US11831215B2 Linear vibration motor Electricity 2 Active
US10323053B2 Polydentate binuclear ring metal complexes and devices containing same Emerging Cross-Sectional Technologies 2 Active
US11570544B1 Sound-absorbing material, preparation method thereof and speaker using same Electricity 2 Active
US8938086B2 Micro-speaker Electricity 2 Active
US11956614B2 Speaker device Electricity 1 Active
US11490191B1 Acoustic horn and speaker module Electricity 1 Active
US11909289B2 Vibration motor with elastic support arm with flange Electricity 1 Active
US11949308B2 Vibration motor with elastic support having acute bending angle and obtuse angle Electricity 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.