Inventor
PARK MINKOO
KR12 patents
Patents
12 patentsUS11206471B1Dec 21, 2021
Earphone with pressure equilibrium means
BUJEON CO LTD7 citations80
US11076229B2Jul 27, 2021
Grill-integrated low-pass filter and speaker including the same
BUJEON CO LTD5 citations69
US10448147B2Oct 15, 2019
Acoustic device having multiple diaphragms
BUJEON CO LTD2 citations62
US12075230B2Aug 27, 2024
Water drainage structure and coil wire connection structure for 2-way type microspeaker
BUJEON CO LTD0 citations58
US11800291B2Oct 24, 2023
Water drainage structure and coil wire connection structure for 2-way type microspeaker
BUJEON CO LTD0 citations58
US11006196B1May 11, 2021
Earphone having nozzle-integrated structure with drum safety filter applied thereto
BUJEON CO LTD1 citations57
US12464277B2Nov 4, 2025
Air flow control valve structure for audio device
BUJEON CO LTD0 citations49
US11425488B2Aug 23, 2022
Duct structure of earphone speaker unit
BUJEON CO LTD0 citations49
US11102587B2Aug 24, 2021
Hybrid acoustic apparatus including rectangular microspeaker
BUJEON CO LTD0 citations47
US11006209B2May 11, 2021
Rectangular microspeaker
BUJEON CO LTD0 citations47
US11601745B2Mar 7, 2023
Ear tip including flange made of silicone foam material
BUJEON CO LTD0 citations40
US10694295B2Jun 23, 2020
Acoustic device with improved acoustic performance
BUJEON CO LTD0 citations38