Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084847 | Prefabricated lead frame and bonding method using the same | Lei Wang, Qian Wang, Zhenging Zhao | 2011-12-27 |
| 8052958 | Method for manufacturing metal oxide hollow nanoparticles and metal oxide hollow nanoparticles manufactured by the same | Chang Woo Lee, Sung Soon IM | 2011-11-08 |
| 7944088 | Battery backup device | — | 2011-05-17 |
| 5840013 | Method of introducing a tubular member at a site in the body | InBae Yoon | 1998-11-24 |
| 5800342 | Method of endotracheal intubation | InBae Yoon | 1998-09-01 |
| 5645519 | Endoscopic instrument for controlled introduction of tubular members in the body and methods therefor | InBae Yoon | 1997-07-08 |