Inventor · Cedar Rapids, IA, US

Santanu Dutta

86Patents
21h-index
53Co-inventors
91Inventor score

Filing activity: Jun 1, 1990 → Dec 1, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5953319A Wide area mobile communication networks with multiple routing mode options Electricity 168 Expired
US6879829B2 SYSTEMS AND METHODS FOR HANDOVER BETWEEN SPACE BASED AND TERRESTRIAL RADIOTERMINAL COMMUNICATIONS, AND FOR MONITORING TERRESTRIALLY REUSED SATELLITE FREQUENCIES AT A RADIOTERMINAL TO REDUCE POTENTIAL INTERFERENCE Electricity 166 Expired
US5454007A Arrangement for and method of concurrent quadrature downconversion input sampling of a bandpass signal Electricity 149 Expired
US7203490B2 Satellite assisted push-to-send radioterminal systems and methods Electricity 115 Expired
US5982813A Demand-based power and data rate adjustments to a transmitter to optimize channel capacity and power usage with respect to data transmission traffic over a fixed-bandwidth channel Electricity 109 Expired
US5898681A Methods of load balancing and controlling congestion in a combined frequency division and time division multiple access communication system using intelligent login procedures and mobile terminal move commands Electricity 87 Expired
US7706748B2 Methods of ground based beamforming and on-board frequency translation and related systems Electricity 83 Active
US6963890B2 Reconfigurable digital filter having multiple filtering modes Electricity 70 Expired
US6130887A Methods of dynamically switching return channel transmissions of time-division multiple-access (TDMA) communication systems between signalling burst transmissions and message transmissions Electricity 62 Expired
US7340213B2 Intra- and/or inter-system interference reducing systems and methods for satellite communications systems Electricity 59 Expired
US7418263B2 Systems and methods for handover between space based and terrestrial radioterminal communications Electricity 49 Active
US8170474B2 Satellite assisted radioterminal communications systems and methods Electricity 46 Active
US9123034B2 Methods and systems for electronic payment for parking using autonomous position sensing Physics 43 Active
US6639898B1 Wide area mobile communication networks with multiple routing mode options Electricity 40 Expired
US7315944B2 Secure handling of stored-value data objects Physics 30 Expired
US7357309B2 EMV transactions in mobile terminals Physics 28 Expired
US7747229B2 Electronic antenna beam steering using ancillary receivers and related methods Electricity 28 Active
US6587443B1 Methods of communicating over time-division multiple-access (TDMA) communication systems with distinct non-time-critical and time-critical network management information transmission rates Electricity 24 Expired
US6463040B1 Methods of communicating overtime division multiple access (TDMA) communication systems with distinct non-time critical and time critical network management information transmission rates Electricity 22 Expired
US5982761A Methods of communicating over time-division multiple-access (TDMA) communication systems with distinct non-time-critical and time-critical network management information transmission rates Electricity 21 Expired
US7337229B2 Method and apparatus for authorizing internet transactions using the public land mobile network (PLMN) Electricity 21 Expired
US6407986B1 Methods of dynamically switching return channel transmissions of time-division multiple-access (TDMA) communication systems between signaling burst transmissions and message transmissions Electricity 20 Expired
US5450447A Adaptive variable-gain phase and frequency locked loop for rapid carrier acquisition Electricity 20 Expired
US5923648A Methods of dynamically switching return channel transmissions of time-division multiple-access (TDMA) communication systems between signalling burst transmissions and message transmissions Electricity 18 Expired
US6381289B1 Demodulation method in high speed asynchronous time division multiplexed packet data transmission Electricity 17 Expired

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