Inventor · Indialantic, FL, US

Douglas E. Heckaman

23Patents
14h-index
25Co-inventors
77Inventor score

Filing activity: Sep 26, 1983 → May 31, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6271799A Antenna horn and associated methods Electricity 305 Expired
US6166705A Multi title-configured phased array antenna architecture Electricity 97 Expired
US6535397B2 Interconnect structure for interconnecting electronic modules Electricity 81 Expired
US5023624A Microwave chip carrier package having cover-mounted antenna element Electricity 71 Expired
US6097260A Distributed ground pads for shielding cross-overs of mutually overlapping stripline signal transmission networks Electricity 63 Expired
US5272457A High isolation integrated switch circuit Electricity 57 Expired
US6130585A Cross-over distribution scheme for canceling mutually coupled signals between adjacent stripline signal distribution networks Electricity 56 Expired
US4641140A Miniaturized microwave transmission link Electricity 53 Expired
US5065123A Waffle wall-configured conducting structure for chip isolation in millimeter wave monolithic subsystem assemblies Electricity 40 Expired
US5218373A Hermetically sealed waffle-wall configured assembly including sidewall and cover radiating elements and a base-sealed waveguide window Electricity 32 Expired
US4951011A Impedance matched plug-in package for high speed microwave integrated circuits Electricity 30 Expired
US5835062A Flat panel-configured electronically steerable phased array antenna having spatially distributed array of fanned dipole sub-arrays controlled by triode-configured field emission control devices Electricity 29 Expired
US6421012B1 Phased array antenna having patch antenna elements with enhanced parasitic antenna element performance at millimeter wavelength radio frequency signals Electricity 16 Expired
US4695810A Waffleline-configured microwave transmission link Electricity 16 Expired
US6266015A Phased array antenna having stacked patch antenna element with single millimeter wavelength feed and microstrip quadrature-to-circular polarization circuit Electricity 12 Expired
US4890195A Replaceable MMIC chip carrier captured by differential thermal expansion between carrier and support housing Emerging Cross-Sectional Technologies 11 Expired
US5014114A High speed, high density semiconductor memory package with chip level repairability Electricity 8 Expired
US5122475A Method of making a high speed, high density semiconductor memory package with chip level repairability Electricity 8 Expired
US4851793A Waffleline - configured transmission link Electricity 7 Expired
US6028494A High isolation cross-over for canceling mutually coupled signals between adjacent stripline signal distribution networks Electricity 6 Expired
US4956621A Three-state, two-output variable RF power divider Electricity 5 Expired
US5309125A Compact delay line formed of concentrically stacked, helically grooved, cylindrical channel-line structure Electricity 4 Expired
US5124677A Waffleline-configured surface-mount package for high frequency signal coupling applications Electricity 3 Expired

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