LexDanaLexDanabeta
Inventor

DONGHYUN SEO

Inventor
KR

Overview

5→
Patents
2021–2025
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers50%
B29CShaping or joining of plastics13%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts13%
H01BCables13%
H01RElectrically-conductive connections13%
PatentTitleYear
12,464,277Air flow control valve structure for audio device202511,601,745Ear tip including flange made of silicone foam material202311,496,822Microphone mounting structure for headset202211,322,273Flexible flat cable202211,206,471Earphone with pressure equilibrium means2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to BUJEON CO LTD (4)· patent assignee history
2021–2025Based in KR· patent location history
2022Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BUJEON CO LTD42021–2025
SAMSUNG ELECTRONICS CO LTD12022
Locations
LocationPatentsSpan
KR52021–2025