Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7375934 | Power converter controlling apparatus and method applying a fault protection scheme in a motor drive system | Zheng Wang, Jack Ma | 2008-05-20 |
| 7348756 | Advanced current control method and apparatus for a motor drive system | Jack Ma, Zheng Wang | 2008-03-25 |
| 7116067 | Power converter controlling apparatus and method providing ride through capability during power interruption in a motor drive system | Jack Ma, Zheng Wang | 2006-10-03 |
| 7102323 | High power density/limited DC link voltage synchronous motor drive | Jack Ma, Zheng Wang | 2006-09-05 |
| 7075264 | Instantaneous power floating frame controller | Colin Huggett, Zheng Wang | 2006-07-11 |
| 6965212 | Method and apparatus for field weakening control in an AC motor drive system | Zheng Wang, Jack Ma | 2005-11-15 |
| 6850426 | Synchronous and bi-directional variable frequency power conversion systems | Hassan Ali Kojori, Jack Ma, Zheng Wang | 2005-02-01 |