Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408430 | Asymmetric lighting lens, lighting lens array, and lighting apparatus therewith | Won Soo JI, Jong Sup Song, Sang Woo Ha | 2019-09-10 |
| 9482410 | Light emitting module and surface lighting device having the same | Ki Un LEE, June JANG | 2016-11-01 |
| 8820979 | Asymmetric type lens and street lamp including the same | Chang Mo Lee, Ki Un LEE, Sang Ho Yoon, Dae Il Seok, Joung Wook Park +5 more | 2014-09-02 |