Inventor · Capitola, CA, US

Greg Johnson

23Patents
13h-index
8Co-inventors
70Inventor score

Filing activity: Jan 16, 1998 → Sep 16, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6239765A Asymmetric dipole antenna assembly Electricity 180 Expired
US6456249B1 Single or dual band parasitic antenna assembly Electricity 137 Expired
US6339404B1 Diversity antenna system for lan communication system Electricity 115 Expired
US6429818B1 Single or dual band parasitic antenna assembly Electricity 92 Expired
US6249256A Radiation shielding and range extending antenna assembly Electricity 84 Expired
US5945954A Antenna assembly for telecommunication devices Electricity 40 Expired
US6181283A Selectively removable combination battery and antenna assembly for a telecommunication device Electricity 39 Expired
US6326927A Capacitively-tuned broadband antenna structure Electricity 35 Expired
US6215447A Antenna assembly for communications devices Electricity 27 Expired
US6992627B1 Single and multiband quarter wave resonator Electricity 26 Expired
US6563468B2 Omni directional antenna with multiple polarizations Electricity 24 Expired
US6191751A Directional antenna assembly for vehicular use Electricity 15 Expired
US5999140A Directional antenna assembly Electricity 13 Expired
US6208300A Director element for radio devices Electricity 11 Expired
US8059050B1 Biconical antenna assembly Electricity 8 Active
US6646619B2 Broadband antenna assembly of matching circuitry and ground plane conductive radiating element Electricity 6 Expired
US9570798B1 Protected biconical antenna assembly with balun feed Electricity 4 Active
US9666950B1 Biconical antenna assembly with balun feed Electricity 2 Active
US7859470B2 Multiple element antenna assembly Electricity 1 Active
USD417221S Antenna attachment assembly General 1 Expired
US8354964B2 Antenna system having compact PIFA resonator with open sections Electricity 1 Active
US8199058B2 Antenna system with PIFA-fed conductor Electricity 0 Active
US9680227B2 Ultra-wideband antenna assembly Electricity 0 Active

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