Alan Cha
13Patents
9h-index
12Co-inventors
65Inventor score
Filing activity: Jun 6, 2000 → Jun 4, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6941138B1 | Concurrent communications between a user terminal and multiple stratospheric transponder platforms | Electricity | 66 | Expired |
| US6895217B1 | Stratospheric-based communication system for mobile users having adaptive interference rejection | Electricity | 55 | Expired |
| US7257418B1 | Rapid user acquisition by a ground-based beamformer | Electricity | 50 | Expired |
| US6388615B1 | Micro cell architecture for mobile user tracking communication system | Electricity | 43 | Expired |
| US6756937B1 | Stratospheric platforms based mobile communications architecture | Electricity | 33 | Expired |
| US6549166B2 | Four-port patch antenna | Electricity | 25 | Expired |
| US7317916B1 | Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection | Electricity | 15 | Expired |
| US6751458B1 | Architecture utilizing frequency reuse in accommodating user-link and feeder-link transmissions | Electricity | 14 | Expired |
| US6424299B1 | Dual hybrid-fed patch element for dual band circular polarization radiation | Electricity | 10 | Expired |
| US6914557B2 | Micro cell architecture for mobile user tracking communication system | Electricity | 8 | Expired |
| US6763242B1 | Resource assignment system and method for determining the same | Electricity | 6 | Expired |
| US7890052B2 | Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection | Electricity | 4 | Active |
| US11188529B2 | Autonomous generation of a graph query language interface on top of an application programming interface | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.