Ming U. Chang
36Patents
14h-index
21Co-inventors
81Inventor score
Filing activity: Mar 18, 1999 → Apr 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7187949B2 | Multiple basestation communication system having adaptive antennas | Electricity | 96 | Expired |
| US7167704B2 | Communication system using multiple link terminals for aircraft | Electricity | 44 | Expired |
| US6388615B1 | Micro cell architecture for mobile user tracking communication system | Electricity | 43 | Expired |
| US6756937B1 | Stratospheric platforms based mobile communications architecture | Electricity | 33 | Expired |
| US7558569B2 | Induced cellular communications handover | Electricity | 33 | Expired |
| US6295440A | Multiple satellite mobile communications method and apparatus for hand-held terminals | Electricity | 30 | Expired |
| US6785553B2 | Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS | Physics | 30 | Expired |
| US6337980B1 | Multiple satellite mobile communications method and apparatus for hand-held terminals | Electricity | 28 | Expired |
| US7103317B2 | Communication system using multiple link terminals for aircraft | Electricity | 28 | Expired |
| US7200360B1 | Communication system as a secondary platform with frequency reuse | Electricity | 24 | Expired |
| US7181162B2 | Communication system using multiple link terminals | Electricity | 20 | Expired |
| US7400857B2 | Communication system using multiple link terminals | Electricity | 19 | Expired |
| US6725013B1 | Communication system having frequency reuse in non-blocking manner | Electricity | 18 | Expired |
| US7068616B2 | Multiple dynamic connectivity for satellite communications systems | Electricity | 18 | Expired |
| US6751458B1 | Architecture utilizing frequency reuse in accommodating user-link and feeder-link transmissions | Electricity | 14 | Expired |
| US7027769B1 | GEO stationary communications system with minimal delay | Electricity | 13 | Expired |
| US6567052B1 | Stratospheric platform system architecture with adjustment of antenna boresight angles | Electricity | 13 | Expired |
| US6963548B1 | Coherent synchronization of code division multiple access signals | Electricity | 13 | Expired |
| US6891813B2 | Dynamic cell CDMA code assignment system and method | Electricity | 13 | Expired |
| US6606307B1 | Techniques for utilization of bandwidth space assets | Electricity | 13 | Expired |
| US7809403B2 | Stratospheric platforms communication system using adaptive antennas | Electricity | 11 | Expired |
| US6829479B1 | Fixed wireless back haul for mobile communications using stratospheric platforms | Electricity | 10 | Expired |
| US6501941B1 | Method for identifying growth limits of handheld services for mobile satellite communications | Performing Operations; Transporting | 9 | 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 |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.