Assignee
EM TECH CO LTD
KR·52 granted patents·34 pending applications·91 citations·filing 2013–2023
Top patents by PatentIndex Score
86 records- 0195US11336983B1Receiver module having pressure equilibrium structureEM TECH CO LTD·Filed 2021·Granted May 17, 2022·6 cites·8 claims
- 0294US11395060B2Receiver having pressure equilibrium structureEM TECH CO LTD·Filed 2021·Granted Jul 19, 2022·4 cites·15 claims
- 0390US9832557B2Slim microspeakerEM-TECH CO LTD·Filed 2015·Granted Nov 28, 2017·13 cites·22 claims
- 0487US11696059B2Two-way receiver having front bass ductEM TECH CO LTD·Filed 2021·Granted Jul 4, 2023·2 cites·6 claims
- 0586US11463815B2Yoke assembly for two-way receiver and two-way receiver having the sameEM TECH CO LTD·Filed 2021·Granted Oct 4, 2022·2 cites·6 claims
- 0685US9027700B2Bonding structure of diaphragm for microspeakerEM TECH CO LTD·Filed 2013·Granted May 12, 2015·10 cites·10 claims
- 0784US12143793B2Diaphragm for high pressure waterproof microspeaker and high pressure waterproof microspeaker including the sameEM TECH CO LTD·Filed 2022·Granted Nov 12, 2024·1 cites·11 claims
- 0884US11381898B2Canal-type earphone having pressure equilibrium structureEM TECH CO LTD·Filed 2021·Granted Jul 5, 2022·12 cites·15 claims
- 0984US10899577B2Automatic winding deviceEM TECH CO LTD·Filed 2018·Granted Jan 26, 2021·3 cites·10 claims
- 1082US11425487B2Translation system using sound vibration microphoneEM TECH CO LTD·Filed 2020·Granted Aug 23, 2022·2 cites·10 claims
- 1182US10728672B2Sound converterEM TECH CO LTD·Filed 2018·Granted Jul 28, 2020·6 cites·12 claims
- 1281US11206500B2Bone conduction speakerEM TECH CO LTD·Filed 2020·Granted Dec 21, 2021·2 cites·10 claims
- 1379US11564026B2Earphone having pressure equilibrium structureEM TECH CO LTD·Filed 2021·Granted Jan 24, 2023·1 cites·12 claims
- 1477US10057678B2Microspeaker enclosure with air adsorbent in resonance spaceEM TECH CO LTD·Filed 2016·Granted Aug 21, 2018·4 cites·4 claims
- 1576US9473837B2Sound transducer with ventilation structureEM-TECH CO LTD·Filed 2013·Granted Oct 18, 2016·5 cites·19 claims
- 1676US9185494B2Inner magnet type microspeakerEM TECH CO LTD·Filed 2014·Granted Nov 10, 2015·5 cites·12 claims
- 1772US10667028B2Electric device including microspeaker module with vibration function and wearable acoustic transducerEM TECH CO LTD·Filed 2018·Granted May 26, 2020·2 cites·14 claims
- 1869US2024016229A1Aerosol Generating Device Authenticated by SignalEM TECH CO LTD·Filed 2023·Application pending·0 cites
- 1968US10419847B2Microspeaker enclosure with porous materials in resonance spaceEM TECH CO LTD·Filed 2017·Granted Sep 17, 2019·2 cites·18 claims
- 2068US2023371582A1Electrically heated smoking articleEM TECH CO LTD·Filed 2023·Application pending·0 cites
- 2167US10419848B2Microspeaker enclosure with porous materials in resonance spaceEM TECH CO LTD·Filed 2017·Granted Sep 17, 2019·2 cites·10 claims
- 2266US10298105B2Linear vibratorEM TECH CO LTD·Filed 2017·Granted May 21, 2019·1 cites·9 claims
- 2364US9185477B2Suspension for sound transducerEM TECH CO LTD·Filed 2013·Granted Nov 10, 2015·2 cites·9 claims
- 2463US12413896B2Two-way speakerEM TECH CO LTD·Filed 2023·Granted Sep 9, 2025·0 cites·6 claims
- 2562US12582154B2Electrically heated smoking articleEM TECH CO LTD·Filed 2023·Granted Mar 24, 2026·0 cites·9 claims
- 2662US9277305B2Suspension for a sound transducerEM TECH CO LTD·Filed 2013·Granted Mar 1, 2016·2 cites·13 claims
- 2761US11368784B2Receiver unit having pressure equilibrium structure and compensation structure for low frequencyEM TECH CO LTD·Filed 2020·Granted Jun 21, 2022·1 cites·5 claims
- 2861US2025262606A1Porous Moisture Absorbent and Atomizer Using SameEM TECH CO LTD·Filed 2023·Application pending·0 cites
- 2958US12408237B2Circuit for sensing and controlling heater voltage in aerosol generatorEM TECH CO LTD·Filed 2020·Granted Sep 2, 2025·0 cites·4 claims
- 3057US10251000B2Hearing assistant device for informing about state of wearerEM TECH CO LTD·Filed 2017·Granted Apr 2, 2019·1 cites·5 claims
- 3157US2022400772A1Portable Aerosol GeneratorEM TECH CO LTD·Filed 2020·Application pending·0 cites
- 3256US11302861B2Hybrid actuator having a flexible printed circuit board for applying an electric current to a piezoelectric element and a coil inside a housing of the hybrid actuatorEM TECH CO LTD·Filed 2019·Granted Apr 12, 2022·0 cites·11 claims
- 3355US12137311B2Earphone with duct unit dividing pressure equilibrium hole and back holeEM TECH CO LTD·Filed 2022·Granted Nov 5, 2024·0 cites·8 claims
- 3454US10484789B2Micro-speaker having an air adsorbentEM TECH CO LTD·Filed 2016·Granted Nov 19, 2019·0 cites·7 claims
- 3553US11337006B2Microspeaker used in microspeaker box filled with porous particlesEM TECH CO LTD·Filed 2020·Granted May 17, 2022·0 cites·8 claims
- 3651US11363370B2Receiver module integrated with ductEM TECH CO LTD·Filed 2020·Granted Jun 14, 2022·0 cites·14 claims
- 3751US11102573B2High-water pressure waterproof microspeakerEM TECH CO LTD·Filed 2019·Granted Aug 24, 2021·0 cites·7 claims
- 3850US10536771B2Dynamic receiver with resonance protector for earphoneEM TECH CO LTD·Filed 2018·Granted Jan 14, 2020·0 cites·12 claims
- 3949US12470862B2Hybrid microspeakerEM TECH CO LTD·Filed 2023·Granted Nov 11, 2025·0 cites·7 claims
- 4049US12267659B2Waterproof microspeakerEM TECH CO LTD·Filed 2023·Granted Apr 1, 2025·0 cites·11 claims
- 4149US11528563B2Hybrid receiver having fixing bracket for driversEM TECH CO LTD·Filed 2021·Granted Dec 13, 2022·0 cites·10 claims
- 4249US11212616B2Bonding structure of diaphragm for receiverEM TECH CO LTD·Filed 2020·Granted Dec 28, 2021·0 cites·6 claims
- 4348US12207046B2Microspeaker enclosure including block formed of porous particlesEM TECH CO LTD·Filed 2022·Granted Jan 21, 2025·0 cites·9 claims
- 4447US11206480B2Open-air type earphone with bracket forming bass pipeEM TECH CO LTD·Filed 2020·Granted Dec 21, 2021·0 cites·7 claims
- 4547US10516945B2High power microspeaker with sub-diaphragmEM TECH CO LTD·Filed 2018·Granted Dec 24, 2019·0 cites·14 claims
- 4646US11206490B2Sound generating actuatorEM TECH CO LTD·Filed 2020·Granted Dec 21, 2021·0 cites·10 claims
- 4746US11115754B2ActuatorEM TECH CO LTD·Filed 2019·Granted Sep 7, 2021·0 cites·5 claims
- 4845US11696508B2Sound vibration sensor using piezoelectric element having cantilever structureEM TECH CO LTD·Filed 2020·Granted Jul 4, 2023·0 cites·11 claims
- 4945US9088840B2Vibration module for sound transducerEM TECH CO LTD·Filed 2013·Granted Jul 21, 2015·0 cites·7 claims
- 5045US2015010196A1Three-Magnet Type MicrospeakerEM TECH CO LTD·Filed 2014·Application pending·0 cites
Showing the top 50 of 86 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →