Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434905 | LED based precision approach path indicator | Yong Tian | 2013-05-07 |
| 8287147 | LED based omni-directional light engine | Yong Tian | 2012-10-16 |
| 8228491 | Precision approach path indicator field testing instrument | Yong Tian | 2012-07-24 |
| 7755513 | Visual navigational aids based on high intensity LEDS | Sean Xiaolu Wang | 2010-07-13 |
| 7378983 | Optical signaling apparatus with precise beam control | Sean Xiaolu Wang, Qingxiong Li, Qun Li | 2008-05-27 |
| 7366214 | Diode-pumped solid-state laser with self-maintained multi-dimensional optimization | Dan Liu, Sean Xiaolu Wang | 2008-04-29 |
| 7357530 | Lighting apparatus for navigational aids | Sean Xiaolu Wang | 2008-04-15 |
| 7218655 | Solid state laser insensitive to temperature changes | Sean Xiaolu Wang, Qun Li | 2007-05-15 |