Inventor · Efland, NC, US

Howard E. Holshouser

23Patents
13h-index
20Co-inventors
81Inventor score

Filing activity: Jan 30, 1975 → Feb 14, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US4510623A Television channel lockout Electricity 273 Expired
US6961368B2 Adaptive antenna optimization network Electricity 172 Expired
US6151486A Magnetic latch and release device and radiotelephones incorporating same Electricity 79 Expired
US6424300B1 Notch antennas and wireless communicators incorporating same Electricity 66 Expired
US6282433A Personal communication terminal with a slot antenna Electricity 52 Expired
US6225951A Antenna systems having capacitively coupled internal and retractable antennas and wireless communicators incorporating same Electricity 25 Expired
US4485394A Automatic convergence and gray scale correction for television _receivers and projection television systems Electricity 25 Expired
US6107970A Integral antenna assembly and housing for electronic device Electricity 25 Expired
US6016126A Non-protruding dual-band antenna for communications device Electricity 19 Expired
US5856808A Single feed point matching systems Electricity 17 Expired
US6229489A Retractable dual-band antenna system with parallel resonant trap Electricity 16 Expired
US6097934A Retractable radiotelephone antennas with extended feeds Electricity 15 Expired
US5960346A Apparatus and method for reducing magnetic fields in radio telephones Electricity 14 Expired
US6700540B2 Antennas having multiple resonant frequency bands and wireless terminals incorporating the same Electricity 10 Expired
US6054958A Quarter-wave quarter-wave retractable antenna Electricity 9 Expired
US4059838A Chroma-preference control for VIR automatic operation Electricity 9 Expired
US6505054B1 Integrated antenna assemblies including multiple antennas for wireless communications devices Electricity 8 Expired
US6137998A Shielding for radiotelephones with retractable antennas Electricity 6 Expired
US6249688A Antenna electrical coupling configurations Electricity 6 Expired
US6016431A Radiotelephones with integrated matching antenna systems Electricity 4 Expired
US5969683A Radiotelephones with antenna matching switching system configurations Electricity 3 Expired
US4089025A VIR signal detector for a color television receiver Electricity 3 Expired
US3958248A Tunable dipole antenna for television receivers Electricity 2 Expired

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