Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10785842 | Circuit for supplying power to components of lighting apparatus, and lighting apparatus including the same | — | 2020-09-22 |
| 6291950 | Motor drive system with variable gain | — | 2001-09-18 |
| 6094103 | Multiple feedback loop ring oscillator and delay cell | Gyu Hyung Cho, Sang-Hoon Chai, Won Chul Song, Kyung Soo Kim | 2000-07-25 |