| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | United States | 2 | |
| #4 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Audio-visual technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chang Kwangwu | 6 |
| #2 | Yang Rongxiang | 2 |
| #3 | Yang Hung Hsiang | 1 |
| #4 | Zhang Guangwu | 1 |
| #5 | Yang Jung Hsiang | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2011147107A1 | Moving head light | |
| US2011019853A1 | Multi-directional sound emission means and multi-directional sound emission system | |
| US2011019844A1 | Multi-directional sound emission system | |
| CN102014322A | High-fidelity static sound box adopting single-layer vibrating diaphragm |