YS

Young Chel Shim

Overall (2020): #103,688 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10774995 PCB module LED lamp having irradiation angle setting up function for Edison socket — 2020-09-15
10634324 LED-based illumination assembly with adjustable irradiation angle — 2020-04-28