Inventor · Wake Forest, NC, US

Gerard James Hayes

103Patents
25h-index
59Co-inventors
93Inventor score

Filing activity: Apr 5, 1988 → Mar 4, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6046708A Termination contact for an antenna with a nickel-titanium radiating element Electricity 270 Expired
US5949383A Compact antenna structures including baluns Electricity 129 Expired
US6218992A Compact, broadband inverted-F antennas with conductive elements and wireless communicators incorporating same Electricity 100 Expired
US8688101B1 Position information assisted network control Electricity 97 Active
US6204826A Flat dual frequency band antennas for wireless communicators Electricity 92 Expired
US6980154B2 Planar inverted F antennas including current nulls between feed and ground couplings and related communications devices Electricity 91 Expired
US5995052A Flip open antenna for a communication device Electricity 86 Expired
US6198442A Multiple frequency band branch antennas for wireless communicators Electricity 85 Expired
US6204819A Convertible loop/inverted-f antennas and wireless communicators incorporating the same Electricity 83 Expired
US6903686B2 Multi-branch planar antennas having multiple resonant frequency bands and wireless terminals incorporating the same Electricity 72 Expired
US6529749B1 Convertible dipole/inverted-F antennas and wireless communicators incorporating the same Electricity 59 Expired
US6272356A Mechanical spring antenna and radiotelephones incorporating same Electricity 57 Expired
US6124831A Folded dual frequency band antennas for wireless communicators Electricity 57 Expired
US6005524A Flexible diversity antenna Electricity 54 Expired
US7376408B2 Reduction of near field electro-magnetic scattering using high impedance metallization terminations Electricity 50 Expired
US7324051B2 Supplemental parasitic antenna apparatus Electricity 50 Expired
US7530823B1 USB modem devices with a flip antenna and a retractable USB connector Electricity 49 Active
US6380903B1 Antenna systems including internal planar inverted-F antennas coupled with retractable antennas and wireless communicators incorporating same Electricity 46 Expired
US5923305A Dual-band helix antenna with parasitic element and associated methods of operation Electricity 44 Expired
US5709832A Method of manufacturing a printed antenna Electricity 42 Expired
US6031492A Mobile cradle antenna and heat sink enhancement Electricity 37 Expired
US6198943A Parasitic dual band matching of an internal looped dipole antenna Electricity 36 Expired
US6662028B1 Multiple frequency inverted-F antennas having multiple switchable feed points and wireless communicators incorporating the same Electricity 35 Expired
US6229487A Inverted-F antennas having non-linear conductive elements and wireless communicators incorporating the same Electricity 26 Expired
US6545642B1 Antenna/push-button assembly and portable radiotelephone including the same Electricity 25 Expired

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