Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D532007 | Face plate for a vehicle audio system | — | 2006-11-14 |
| 6310344 | Wire type corona charger for electrophotographical manufacturing of CRTs | Dong Ky Shin, Hyo Sup Lee, Sang Youl Yoon, Sang Bong Kwon, Cheon Su Kang +4 more | 2001-10-30 |
| 5424468 | Polymeric contact lens material of improved oxygen permeability | Kwang Ung Kim, Seung Sang Hwang, Jong Chan LEE, Moo Sung Lee, Seong M. Cheong | 1995-06-13 |
| 4632668 | Ventricular catheter | John Wilson | 1986-12-30 |