Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8879170 | Condensing lens and lighting device equipped with said condensing lens | Chang Mo Lee, Chang-Sub Lee, Kyeong Ik Min, Sang Ho Yoon, Hyung Jin Kim | 2014-11-04 |
| 7684042 | Device having an optical part for analyzing micro particles | Jun-Keun Chang, Alexey Dan Chin-Yu, Chanil Chung, Sun Hee Lim | 2010-03-23 |
| 7678336 | Channel apparatus for focusing a fluid flow | Jun-Keun Chang, Jun-Ha Park, Chanil Chung | 2010-03-16 |