LexDanaLexDanabeta
Inventor

SEJEONG AHN

Inventor
KR

Overview

3→
Patents
2025–2026
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A41Dprimary
A41DOuterwear30%
A62BDevices, apparatus or methods for life-saving30%
A41FGarment fastenings10%
A44DIndexing scheme relating to buttons, pins, buckles or slide fasteners, and to jewellery, bracelets or other personal adornments10%
F04DNon-positive-displacement pumps10%
Y02ATechnologies for adaptation to climate change10%
PatentTitleYear
12,582,178Mask apparatus202612,521,579Mask apparatus with rear surface inlet, outlet and filter assembly202612,453,872Mask apparatus with filtered rear fan inlet2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025–2026Patents assigned to LG ELECTRONICS INC (3)· patent assignee history
2025–2026Based in KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LG ELECTRONICS INC32025–2026
Locations
LocationPatentsSpan
KR32025–2026