Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683294 | Conversion coating composition, surface treated steel sheet, and method for manufacturing the same | Young-Jin Kwak, Yon-Kyun Song, Yang-Ho Choi, Tae-Yeob Kim, Kyoung-Pil KO +2 more | 2017-06-20 |
| 9649173 | Surgical device | Hyun Do Choi | 2017-05-16 |
| 9622764 | Surgical instrument | Hyun Do Choi, Jin-woo Cho | 2017-04-18 |
| 9579162 | Surgical device | Hyun Do Choi | 2017-02-28 |