Inventor · Jacksonville, FL, US

Mark Duron

57Patents
15h-index
42Co-inventors
84Inventor score

Filing activity: Feb 14, 1994 → Nov 19, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5377973A Methods and apparatus for playing casino card games including a progressive jackpot Human Necessities 653 Expired
US7030761B2 Multi-resolution object location system and method Physics 149 Expired
US7119738B2 Object location system and method using RFID Physics 107 Expired
US7403120B2 Reverse infrastructure location system and method Physics 77 Expired
US5836818A Coin acceptor including multi-state visual indicator apparatus and method Human Necessities 72 Expired
US7170412B2 Angle of position object location system and method Physics 72 Expired
US7576657B2 Single frequency low power RFID device Physics 62 Active
US7075437B2 RFID relay device and methods for relaying and RFID signal Performing Operations; Transporting 45 Expired
US8035335B2 Energy harvesting in RFID systems Electricity 44 Active
US8260384B2 Wearable mobile computing system Human Necessities 38 Active
US7423606B2 Multi-frequency RFID apparatus and methods of reading RFID tags Electricity 28 Expired
US7259676B2 Mode-diversity RFAID tag and interrogator system and method for identifying an RFAID transponder Physics 20 Expired
US7339481B2 RFID tag with tunable antenna and associated reader Electricity 19 Expired
US7205953B2 Directional antenna array Electricity 17 Expired
US7504948B2 Wireless rugged mobile data capture device with integrated RFID reader Physics 15 Active
US8305192B2 RFID reader with automatic near/far field interrogation mode switching, and related operating methods Physics 12 Active
US7551140B2 Low return loss rugged RFID antenna Electricity 11 Active
US8421604B2 Method and apparatus for identifying read zone of RFID reader Electricity 11 Active
US8135354B2 Method and system for chopped antenna impedance measurements with an RFID radio Physics 9 Active
US7091859B2 Package-integrated RF relay Performing Operations; Transporting 9 Expired
US7902984B2 Single frequency low power RFID device Physics 7 Active
US8681005B2 RFID reader with motion detection Physics 6 Active
US8174391B2 Polarized RFID antenna with spatial diversity Electricity 5 Active
US7884718B2 Frequency selective surface aids to the operation of RFID products Electricity 5 Active
US8315562B2 Method and apparatus for reducing spurious RF signals in RFID reader Physics 4 Active

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