Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8536347 | Photoacid generator, chemically amplified resist composition including the same, and associated methods | Yool Kang, Weoun-ju Kim, Seong-woon Choi, Hyun-Woo Kim, Hai-sub Na +1 more | 2013-09-17 |
| 5821707 | Inverter controller for brushless direct current motor | — | 1998-10-13 |
| 5773750 | Rock fragmentation system using gold schmidt method | Hwan-Young Jae, Chwll-Hwa Park, Byung-Ro Song, Woo-Sik Kim, Dae Seung Kim | 1998-06-30 |
| 5504627 | Projection exposure system | Ho-young Kang | 1996-04-02 |