Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882665 | High frequency, high power, power supply | Hyeong In Choi | 1989-11-21 |
| 4839772 | Capacitive discharge electronic ignition system for automobiles | Hyeong In Choi | 1989-06-13 |
| 4763045 | Spark ignitor generated by capacitor discharge synchronized with alternate current power frequency | Hyeong In Choi | 1988-08-09 |