Inventor · Pasadena, CA, US

William L. Johnson

8Patents
5h-index
17Co-inventors
60Inventor score

Filing activity: May 22, 1978 → May 1, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US4905697A Temperature-controlled cardiac pacemaker responsive to body motion Human Necessities 165 Expired
US4945909A Pacemaker with activity-dependent rate limiting Human Necessities 150 Expired
US4985116A Three dimensional plating or etching process and masks therefor Emerging Cross-Sectional Technologies 59 Expired
US4192316A Programmable atrio-ventricular pacer Human Necessities 8 Expired
US6465100B1 Densification of composite preforms by liquid resin infiltration assisted by rigid-barrier actinic gelation Emerging Cross-Sectional Technologies 5 Expired
US4629931A Liquid metal ion source Electricity 5 Expired
US7083809B2 Purified cytokine inhibitory factor Emerging Cross-Sectional Technologies 3 Expired
US9693698B2 Electromyography response detection systems and methods Human Necessities 1 Active

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