Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9226077 | Acoustic actuator and acoustic actuator system | Cha-Sik Kong | 2015-12-29 |
| 4973916 | Operational amplifier driven power amplifier | — | 1990-11-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9226077 | Acoustic actuator and acoustic actuator system | Cha-Sik Kong | 2015-12-29 |
| 4973916 | Operational amplifier driven power amplifier | — | 1990-11-27 |