Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8994897 | Reflective liquid crystal display device and method for manufacturing the same | Hyun Ha Hwang, Seung Gon Kang | 2015-03-31 |
| 8934077 | Cholesteric liquid crystal display device and method for manufacturing the same | Hyun Ha Hwang, Seung Gon Kang | 2015-01-13 |
| 7434563 | Rotary engine | — | 2008-10-14 |
| 7384356 | Pulley cover assembly for motorcycle transmission | — | 2008-06-10 |
| 6172492 | Fixed off time and zero voltage switching dual mode power factor correcting converter | Timothy Allen Pletcher, Robert Amantea, Min-Sung Yang, Jae-Hong Joo, Bok-Man Kim | 2001-01-09 |