YJ

Youn-Ja Jen

UN Unknown: 1 patents #342 of 3,065Top 15%
📍 Seoul, KR: #3,051 of 7,884 inventorsTop 40%
Overall (2023): #194,431 of 537,848Top 40%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11779964 Water pipe cleaning system using high-pressure nitrogen and water pipe cleaning method using same Byung-jun Kim 2023-10-10