Inventor

YUN HEE CHANG

Inventor

Overview

2→

Patents

2023–2025

Patent span

Human necessities

Primary field (CPC A)

Patents· 2 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes22%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%

A61QSpecific use of cosmetics or similar toiletry preparations22%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for11%

A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation11%

A61MDevices for introducing media into, or onto, the body11%

PatentTitleYear

12,496,269Steamed 2025 11,577,063Soluble microneedle containing ingredient for controlling release of neurotransmitters2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to LG HOUSEHOLD & HEALTH CARE LTD (2)· patent assignee history

2023–2025Based in KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LG HOUSEHOLD & HEALTH CARE LTD	2	2023–2025

Locations

Location	Patents	Span
KR	2	2023–2025