SM

Seong Un Ma

Samsung: 1 patents #190 of 955Top 20%
📍 Seoul, KR: #140 of 689 inventorsTop 25%
Overall (1997): #79,784 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5614717 Pyroelectric infrared ray sensor — 1997-03-25