Inventor · Schaumburg, IL, US

Robert D. Lithgow

5Patents
3h-index
6Co-inventors
42Inventor score

Filing activity: Dec 2, 1994 → May 4, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5629266A Electromagnetic resonator comprised of annular resonant bodies disposed between confinement plates Emerging Cross-Sectional Technologies 32 Expired
US5616540A Electromagnetic resonant filter comprising cylindrically curved split ring resonators Emerging Cross-Sectional Technologies 16 Expired
US6083883A Method of forming a dielectric and superconductor resonant structure Electricity 3 Expired
US6320477A Adjustable off-center coaxial coupler Electricity 2 Expired
US5919736A Electromagnetic resonant filter Emerging Cross-Sectional Technologies 2 Expired

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