Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8985291 | Differential unit with damper system | Javed Iqbal, Yitzongn Chern, Tony Ge, Wan Joe Chen | 2015-03-24 |
| 7131514 | Noise attenuation device for a vehicle exhaust system | Michael Choi | 2006-11-07 |
| 7086498 | Noise attenuation device for a vehicle exhaust system | Michael Choi | 2006-08-08 |