Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8817694 | Apparatus and method for remote beam forming for DBS satellites | — | 2014-08-26 |
| 8773307 | Wide null Forming system with beamforming | Yulan Sun, Yuanchang Liu | 2014-07-08 |
| 8767615 | Concurrent airborne communication methods and systems | — | 2014-07-01 |
| 8706167 | Communication system for mobile users using adaptive antenna with auxiliary elements | Wah L. Lim, Ming U. Chang | 2014-04-22 |
| 8396513 | Communication system for mobile users using adaptive antenna | Wah L. Lim, Ming U. Chang | 2013-03-12 |
| 8232918 | Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver | — | 2012-07-31 |
| 8223733 | Multi-platform wireless communication system for a variety of different user types | Kar W. Yung, Frank A. Hagen | 2012-07-17 |
| 8107569 | Method and apparatus for channel bonding using a multiple-beam antenna | — | 2012-01-31 |
| 8098612 | Apparatus and method for remote beam forming for satellite broadcasting systems | — | 2012-01-17 |
| 8035562 | Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver | — | 2011-10-11 |
| 7929984 | Multiple basestation communication system having adaptive antennas | Wah L. Lim, Ming U. Chang | 2011-04-19 |
| 7890052 | Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection | Alan Cha, Jacqueline C. Chen, Frank A. Hagen | 2011-02-15 |
| 7834807 | Retro-directive ground-terminal antenna for communication with geostationary satellites in slightly inclined orbits | — | 2010-11-16 |
| 7809403 | Stratospheric platforms communication system using adaptive antennas | Wah L. Lim, Ming U. Chang | 2010-10-05 |
| 7786933 | Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver | — | 2010-08-31 |
| 7720472 | Stratospheric-based communication system having interference cancellation | Ying Feria, Ming U. Chang | 2010-05-18 |
| 7609198 | Apparatus and method for radar imaging by measuring spatial frequency components | — | 2009-10-27 |
| 7400857 | Communication system using multiple link terminals | Grant J. Beatson, Wah L. Lim, Ming U. Chang | 2008-07-15 |
| 7339520 | Phased array terminal for equatorial satellite constellations | William W. Mayfield, John I. Novak, III, Frank Taormina | 2008-03-04 |
| 7317916 | Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection | Alan Cha, Jacqueline C. Chen, Frank A. Hagen | 2008-01-08 |
| 7257418 | Rapid user acquisition by a ground-based beamformer | Alan Cha, Ying Feria | 2007-08-14 |
| 7046718 | Coherent phase synchronous code division multiple access communications from multiple transponder platforms | Kar W. Yung, Frank A. Hagen, Ying Feria | 2006-05-16 |
| 6990314 | Multi-node point-to-point satellite communication system employing multiple geo satellites | Frank A. Hagen, Richard Flammang, Kar W. Yung | 2006-01-24 |
| 6963548 | Coherent synchronization of code division multiple access signals | Kar W. Yung, David C. H. Cheng, Frank A. Hagen, Ming U. Chang, John I. Novak, III | 2005-11-08 |
| 6952580 | Multiple link internet protocol mobile communications system and method therefor | Wah L. Lim, Ming U. Chang | 2005-10-04 |