Patent assignee · KR · COMPANY

BUJEON CO., LTD.

18Patents
18Active
18Granted
47Portfolio score

Filing activity: Aug 18, 2006 → Mar 28, 2022 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9237394B2 Canal type earphone with pressure equilibrium means Electricity 23 Active
US7869617B2 Speaker for mobile communication terminal Electricity 10 Active
US11076229B2 Grill-integrated low-pass filter and speaker including the same Electricity 4 Active
US10631080B2 Structure of microspeaker Electricity 3 Active
US8731223B2 Microspeaker with inner resonance chamber Electricity 3 Active
US11206471B1 Earphone with pressure equilibrium means Electricity 2 Active
US11006196B1 Earphone having nozzle-integrated structure with drum safety filter applied thereto Electricity 1 Active
US10448147B2 Acoustic device having multiple diaphragms Electricity 1 Active
US11729543B2 Silicone waterproof structure of headset Electricity 0 Active
US11601745B2 Ear tip including flange made of silicone foam material Performing Operations; Transporting 0 Active
US11006209B2 Rectangular microspeaker Electricity 0 Active
US11425488B2 Duct structure of earphone speaker unit Electricity 0 Active
US11800291B2 Water drainage structure and coil wire connection structure for 2-way type microspeaker Electricity 0 Active
US11102587B2 Hybrid acoustic apparatus including rectangular microspeaker Electricity 0 Active
US10433053B2 Micro speaker device with water-proof structure Electricity 0 Active
US10694295B2 Acoustic device with improved acoustic performance Electricity 0 Active
US10271143B2 Linear acoustic transducer Electricity 0 Active
US11496822B2 Microphone mounting structure for headset Electricity 0 Active

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