Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8792245 | Coil assembly and electrical device having such coil assembly | Pak-Chuen Tang, Kwong-Ming Ching | 2014-07-29 |
| 8649189 | Power supply with single stage converter for performing power factor correction and resonant conversion | Pak-Chuen Tang, Kwong-Ming Ching | 2014-02-11 |
| 8441811 | AC-DC converter | Pak-Chuen Tang, Kwong-Ming Ching | 2013-05-14 |
| 8331113 | Resonant switching circuit for harmonic suppression of input current utilizing frequency modulation | Pak-Chuen Tang, Kwong-Ming Ching | 2012-12-11 |