Inventor
Ming U. Chang
Inventor
Rancho Palos Verdes, CA, US
Overview
Patents· 35 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission58%
H01QAntennas, i.e. radio aerials19%
H04WWireless communication networks14%
G01SRadio direction-finding5%
B64GCosmonautics3%
H04JMultiplex communication2%
PatentTitleYear
8,706,167'Communication system for mobile users using adaptive antenna with auxiliary elements'20148,396,513'Communication system for mobile users using adaptive antenna'20137,929,984'Multiple basestation communication system having adaptive antennas'20117,809,403'Stratospheric platforms communication system using adaptive antennas'20107,720,472'Stratospheric-based communication system having interference cancellation'20107,558,569'Induced cellular communications handover'20097,400,857'Communication system using multiple link terminals'20087,245,599'Application of complex codes to maximize user link utilization'20077,236,508'Application of complex codes to maximize feeder link utilization'20077,200,360'Communication system as a secondary platform with frequency reuse'20077,187,949'Multiple basestation communication system having adaptive antennas'20077,181,162'Communication system using multiple link terminals'20077,167,704'Communication system using multiple link terminals for aircraft'20077,103,317'Communication system using multiple link terminals for aircraft'20067,089,000'Multi-node wireless communication system with multiple transponding platforms'20067,068,616'Multiple dynamic connectivity for satellite communications systems'20067,027,769'GEO stationary communications system with minimal delay'20066,963,548'Coherent synchronization of code division multiple access signals'20056,952,580'Multiple link internet protocol mobile communications system and method therefor'20056,941,107'Stratospheric platform based surface vehicle tracking and mobile data network'20056,914,557'Micro cell architecture for mobile user tracking communication system'20056,891,813'Dynamic cell CDMA code assignment system and method'20056,829,479'Fixed wireless back haul for mobile communications using stratospheric platforms'20046,807,397'Method for identifying growth limits of handheld services for mobile satellite communications'20046,785,553'Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS'20046,763,242'Resource assignment system and method for determining the same'20046,756,937'Stratospheric platforms based mobile communications architecture'20046,751,458'Architecture utilizing frequency reuse in accommodating user-link and feeder-link transmissions'20046,725,013'Communication system having frequency reuse in non-blocking manner'20046,606,307'Techniques for utilization of bandwidth space assets'20036,567,052'Stratospheric platform system architecture with adjustment of antenna boresight angles'20036,501,941'Method for identifying growth limits of handheld services for mobile satellite communications'20026,388,615'Micro cell architecture for mobile user tracking communication system'20026,337,980'Multiple satellite mobile communications method and apparatus for hand-held terminals'20026,295,440'Multiple satellite mobile communications method and apparatus for hand-held terminals'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2004Patents assigned to HUGHES ELECTRONICS CORP (8)· patent assignee history
2001–2014Based in Rancho Palos Verdes, CA, US· patent location history
2004–2014Patents assigned to DIRECTV GROUP INC (25)· patent assignee history
2009Patents assigned to BOEING CO (1)· patent assignee history
2013Patents assigned to CHANG DONALD C D (1)· patent assignee history
2013Patents assigned to CHANG MING U (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DIRECTV GROUP INC | 25 | 2004–2014 |
| HUGHES ELECTRONICS CORP | 8 | 2001–2004 |
| BOEING CO | 1 | 2009 |
| CHANG DONALD C D | 1 | 2013 |
| CHANG MING Uself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rancho Palos Verdes, California, US | 35 | 2001–2014 |