Patent assignee · US · COMPANY

Electronics Research, Inc.

12Patents
5Active
12Granted
40Portfolio score

Filing activity: Aug 21, 1987 → Apr 17, 2017 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4860185A Integrated uninterruptible power supply for personal computers Emerging Cross-Sectional Technologies 418 Expired
US5008788A Multi-color illumination apparatus Emerging Cross-Sectional Technologies 184 Expired
US4994952A Low-noise switching power supply having variable reluctance transformer Emerging Cross-Sectional Technologies 95 Expired
US4876638A Low-noise switching power supply having variable reluctance transformer Electricity 33 Expired
US7827741B2 Guy anchor equalizer plate with ultrasound port Fixed Constructions 8 Active
US7183876B2 Variable coupling factor directional coupler Electricity 4 Expired
USRE40890E1 Temperature compensated high power bandpass filter General 1 Expired
US8879662B2 High level IBOC combining method and apparatus for single input antenna systems Electricity 0 Active
US9190702B2 Ganged circulator device Electricity 0 Active
US10177462B2 Broadband four-bay antenna array Electricity 0 Active
US9865910B2 Optimized coaxial transmission line and method for overcoming flange reflections Electricity 0 Active
US6956539B2 Multiple antenna configuration and support structure Electricity 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.