Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8421572 | Bobbin and transformer comprising the same | I-Chi Cheng, Yi-Fan Wu, Cheng-Yi Lo, Ming-Cheng Lee | 2013-04-16 |
| 8363438 | Multi-output buck converting apparatus with controllable energy-releasing function | Cheng-Yi Lo | 2013-01-29 |
| 8299769 | Multi-output buck converting apparatus with shutdown protection | Cheng-Yi Lo | 2012-10-30 |
| 6225885 | Switch device | — | 2001-05-01 |
| 6148770 | Aquatic landscape ornamental device | — | 2000-11-21 |
| 6135604 | Decorative water lamp | — | 2000-10-24 |
| 5836801 | Climbing toy device | — | 1998-11-17 |
| 5755610 | Climbing toy machine | — | 1998-05-26 |
| 5727984 | Rolling toy | — | 1998-03-17 |
| 5676582 | Rolling toy | — | 1997-10-14 |