Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9137598 | Headphone | Yu-Chao Chang | 2015-09-15 |
| 8772959 | Vertical wind turbine generator with ventilator | — | 2014-07-08 |
| 8031559 | Pulse alarm clock with alarm and acupuncture functions | — | 2011-10-04 |