Inventor · Torrance, CA, US

Kar W. Yung

44Patents
17h-index
24Co-inventors
77Inventor score

Filing activity: Mar 7, 1990 → Feb 2, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6229477A Method and system for determining a position of a communication satellite utilizing two-way ranging Physics 107 Expired
US4994809A Polystatic correlating radar Physics 69 Expired
US5077562A Digital beam-forming technique using temporary noise injection Electricity 49 Expired
US6388615B1 Micro cell architecture for mobile user tracking communication system Electricity 43 Expired
US6340947B1 Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configuration including a ground radar Physics 35 Expired
US6756937B1 Stratospheric platforms based mobile communications architecture 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
US6380893B1 Ground-based, wavefront-projection beamformer for a stratospheric communications platform Electricity 28 Expired
US6337980B1 Multiple satellite mobile communications method and apparatus for hand-held terminals Electricity 28 Expired
US6377208B2 Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configuration Physics 26 Expired
US6246363A Method and system for incorporating two-way ranging navigation as a calibration reference for GPS Physics 25 Expired
US6990314B1 Multi-node point-to-point satellite communication system employing multiple geo satellites Electricity 24 Expired
US6507314B2 Ground-based, wavefront-projection beamformer for a stratospheric communications platform Electricity 23 Expired
US6757546B1 Synchronization method and apparatus for multi-platform communication system Electricity 23 Expired
US6257526A Satellite system and method of deploying same Electricity 23 Expired
US6766987B2 Satellite system and method of deploying same Electricity 18 Expired
US6563457B2 Method and system for determining a position of an object using two-way ranging in a polystatic satellite configuration Physics 15 Expired
US6460808B2 Satellite system and method of deploying same Electricity 13 Expired
US6606307B1 Techniques for utilization of bandwidth space assets Electricity 13 Expired
US6963548B1 Coherent synchronization of code division multiple access signals Electricity 13 Expired
US6336612B1 Satellite system and method of deploying same Electricity 13 Expired
US6496146B1 Modular mobile terminal for satellite communication Electricity 12 Expired
US6504505B1 Phase control network for active phased array antennas Electricity 12 Expired
US6667715B1 Signal processing circuit for communicating with a modular mobile satellite terminal and method therefor Electricity 12 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.