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Patents Grants
last 30 patents
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Patent Grant
Ear tip including flange made of silicone foam material
Patent number
11,601,745
Issue date
Mar 7, 2023
Bujeon Co., Ltd.
Donghyun Seo
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Microphone mounting structure for headset
Patent number
11,496,822
Issue date
Nov 8, 2022
Bujeon Co., Ltd.
Donghyun Seo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Earphone with pressure equilibrium means
Patent number
11,206,471
Issue date
Dec 21, 2021
Bujeon Co., Ltd.
Donghyun Seo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic device with improved acoustic performance
Patent number
10,694,295
Issue date
Jun 23, 2020
Bujeon Co., Ltd.
Donghyun Seo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
AIR FLOW CONTROL VALVE STRUCTURE FOR AUDIO DEVICE INCLUDING MICROPHONE
Publication number
20240334117
Publication date
Oct 3, 2024
BUJEON CO., LTD.
Donghyun SEO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AIR FLOW CONTROL VALVE STRUCTURE FOR AUDIO DEVICE
Publication number
20240314485
Publication date
Sep 19, 2024
BUJEON CO., LTD.
Donghyun SEO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EAR TIP INCLUDING FLANGE MADE OF SILICONE FOAM MATERIAL
Publication number
20220408176
Publication date
Dec 22, 2022
BUJEON CO., LTD.
Donghyun SEO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
IR WINDOW PACKAGE IN HEADSET
Publication number
20220124905
Publication date
Apr 21, 2022
BUJEON CO., LTD.
Donghyun SEO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MICROPHONE MOUNTING STRUCTURE FOR HEADSET
Publication number
20220014832
Publication date
Jan 13, 2022
BUJEON CO., LTD.
Donghyun SEO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
USB-TYPE BLUETOOTH ADAPTOR FOR SMARTPHONE
Publication number
20200233634
Publication date
Jul 23, 2020
BUJEON CO., LTD.
Donghyun SEO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ACOUSTIC DEVICE WITH IMPROVED ACOUSTIC PERFORMANCE
Publication number
20190238992
Publication date
Aug 1, 2019
BUJEON CO., LTD.
Donghyun SEO
H04 - ELECTRIC COMMUNICATION TECHNIQUE