Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10432215 | Optical camera communication apparatus and method | Sang Ok KIM, Sang Ho Yoon, Tae Hoon Lee, Jung-Il Han, Jung-Ho Lee | 2019-10-01 |
| 10286485 | Laser processing device and laser processing method | Dong-Jun Lee, Dong Won HYUN | 2019-05-14 |
| 8007127 | Lens for LED outdoor lamp, and its applied road lamp, security lamp, tunnel lamp, park lamp, guard lamp, industrial flood lamp, and outdoor lamp | Sang Ok KIM, Min Jin CHO | 2011-08-30 |
| 6264057 | Drink instrument with internal straw | — | 2001-07-24 |