Inventor · disambiguated record
Yong Ju Ji
Also filed as: JI YONG JU
12 granted patents·5 pending applications·20 citations·filing 2014–2022
85Inventor score
Files withEM TECH CO LTD17
Top patents by PatentIndex Score
17 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
- 0387US11696059B2Two-way receiver having front bass ductEM TECH CO LTD·Filed 2021·Granted Jul 4, 2023·2 cites·6 claims
- 0486US11463815B2Yoke 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
- 0584US10899577B2Automatic winding deviceEM TECH CO LTD·Filed 2018·Granted Jan 26, 2021·3 cites·10 claims
- 0679US11564026B2Earphone having pressure equilibrium structureEM TECH CO LTD·Filed 2021·Granted Jan 24, 2023·1 cites·12 claims
- 0772US10667028B2Electric device including microspeaker module with vibration function and wearable acoustic transducerEM TECH CO LTD·Filed 2018·Granted May 26, 2020·2 cites·14 claims
- 0855US12137311B2Earphone with duct unit dividing pressure equilibrium hole and back holeEM TECH CO LTD·Filed 2022·Granted Nov 5, 2024·0 cites·8 claims
- 0951US11363370B2Receiver module integrated with ductEM TECH CO LTD·Filed 2020·Granted Jun 14, 2022·0 cites·14 claims
- 1050US10536771B2Dynamic receiver with resonance protector for earphoneEM TECH CO LTD·Filed 2018·Granted Jan 14, 2020·0 cites·12 claims
- 1149US11528563B2Hybrid receiver having fixing bracket for driversEM TECH CO LTD·Filed 2021·Granted Dec 13, 2022·0 cites·10 claims
- 1249US11212616B2Bonding structure of diaphragm for receiverEM TECH CO LTD·Filed 2020·Granted Dec 28, 2021·0 cites·6 claims
- 1345US2014294225A1Enclosure speaker with side acoustic emission structureEM TECH CO LTD·Filed 2014·Application pending·0 cites
- 1444US2014301587A1Slim enclosure speaker with side acoustic emission structureEM TECH CO LTD·Filed 2014·Application pending·0 cites
- 1543US2014233785A1Slim Protector and Slim Microspeaker Module Having the SameEM TECH CO LTD·Filed 2014·Application pending·0 cites
- 1640US2020223657A1Automatic Winding DeviceEM TECH CO LTD·Filed 2019·Application pending·0 cites
- 1734US2017171651A1Electric Device Including Microspeaker Module with Vibration FunctionEM-TECH CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →