Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8853980 | Soft-switching control circuit for DC motor | Chia-Jung Chang | 2014-10-07 |
| 8629638 | Lock protection and standby mode control circuit of motor driving apparatus | Chia-Jung Chang | 2014-01-14 |
| 6896929 | Susceptor shaft vacuum pumping | Sanjay Yadav, Quanyuan Shang, Ernst Keller | 2005-05-24 |