CA

Chi Ho An

Overall (2020): #187,211 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10852510 Optical lens system Pil Sun Jung, Dong Young Kim 2020-12-01
10838167 Photographing lens optical system Pil Sun Jung, Dong Young Kim 2020-11-17