Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9775221 | Lamp control apparatus | Joo Hoon Kim, Dong Yeol Han | 2017-09-26 |
| 9699843 | Power supply device for LED light | Joo Hoon Kim, Dong Yeol Han | 2017-07-04 |
| 9631263 | Sliding bearing with improved wear resistance and method of manufacturing same | Chung Rae Lee, Dong Seob Shim | 2017-04-25 |
| 9556904 | Sintered bush | Dong Pil Lim, Dong Seob Shim | 2017-01-31 |