Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703750 | Proportional solenoid valve control system | Yong Ho Kim, Hee Sun Chun | 1997-12-30 |
| 5699238 | Zero voltage switching controller of resonance mode converter and electronic ballast using the same | Hyun-min Jo, Kyung-ha Jee, Nak-Choon Choi | 1997-12-16 |
| 5675239 | Voltage balancing circuit | Yong Ho Kim | 1997-10-07 |