Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7650136 | GPS enabled emergency messaging system | — | 2010-01-19 |
| 7502382 | Method and apparatus for multicast packet distribution in a satellite constellation network | Yu-Jih Liu | 2009-03-10 |
| 7184421 | Method and apparatus for on demand multicast and unicast using controlled flood multicast communications | Yu-Jih Liu, Joseph John Visvader | 2007-02-27 |
| 7184744 | GPS enabled emergency messaging system | — | 2007-02-27 |