Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793657 | Spine fixing apparatus | Choon Ki Lee, Sung Pil Choi, Duc Soo Moon, Sang Soo Park, Seayoung Ahn | 2004-09-21 |
| 6663663 | Stent | Sung-Soon An, Chull-Su Lim | 2003-12-16 |
| 6592585 | Spine fixing apparatus | Choon Ki Lee, Sung Pil Choi | 2003-07-15 |
| 6264658 | Spine fixing apparatus | Choon Ki Lee, Sung Pil Choi | 2001-07-24 |
| 6242713 | Plane heating element without electromagnetic waves and a manufacturing method thereof | Seo-Kon Kim, Kun Ho Yang, Sung-Nam Ju, Young-Joung Yoo, Jae Soon Hwang | 2001-06-05 |
| 6175098 | Plane heating element without electromagnetic waves and a manufacturing method thereof | Seo-Kon Kim, Kun Ho Yang, Sung-Nam Ju, Young-Joung Yoo, Jae Soon Hwang | 2001-01-16 |