Inventor · Yardley, PA, US

Walter Yeager

129Patents
12h-index
44Co-inventors
82Inventor score

Filing activity: Feb 9, 2007 → Dec 19, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8871361B2 Tetradentate platinum complexes Emerging Cross-Sectional Technologies 98 Active
US9461254B2 Organic electroluminescent materials and devices Electricity 91 Active
US8946697B1 Iridium complexes with aza-benzo fused ligands Emerging Cross-Sectional Technologies 53 Active
US8987451B2 Synthesis of cyclometallated platinum(II) complexes Chemistry; Metallurgy 42 Active
US8142909B2 Blue phosphorescent imidazophenanthridine materials Emerging Cross-Sectional Technologies 38 Active
US8586204B2 Phosphorescent emitters and host materials with improved stability Electricity 37 Active
US8007927B2 Dibenzothiophene-containing materials in phosphorescent light emitting diodes Electricity 36 Active
US8580402B2 Dibenzothiophene-containing materials in phosphorescent light emitting diodes Electricity 29 Active
US10297762B2 Organic electroluminescent materials and devices Emerging Cross-Sectional Technologies 19 Active
US9123903B2 Dibenzothiophene-containing materials in phosphorescent light emitting diodes Electricity 19 Active
US7915415B2 Metal complexes of cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands and isoelectronic and benzannulated analogs thereof Electricity 17 Active
US10361375B2 Organic electroluminescent materials and devices Emerging Cross-Sectional Technologies 15 Active
US9548462B2 Organic electroluminescent materials and devices Electricity 11 Active
US9397302B2 Organic electroluminescent materials and devices Emerging Cross-Sectional Technologies 10 Active
US9406892B2 Organic electroluminescent materials and devices Emerging Cross-Sectional Technologies 10 Active
US8815415B2 Blue emitter with high efficiency based on imidazo[1,2-f] phenanthridine iridium complexes Electricity 9 Active
US8691988B2 Metal complexes of cyclometallated imidazo (1,2-f) phenanthridine (1,2-a:1′, 2′-c),quinazoline ligands and isoelectronic and benzannulated analogs thereof Electricity 9 Active
US9359549B2 Organic electroluminescent materials and devices Electricity 8 Active
US10355227B2 Metal complex for phosphorescent OLED Emerging Cross-Sectional Technologies 7 Active
US9034483B2 Phosphorescent materials Electricity 7 Active
US10403826B2 Organic electroluminescent materials and devices Electricity 7 Active
US10177316B2 Organic electroluminescent materials and devices Emerging Cross-Sectional Technologies 6 Active
US10862054B2 Organic electroluminescent materials and devices Emerging Cross-Sectional Technologies 6 Active
US10084143B2 Phosphorescent materials Electricity 6 Active
US10236456B2 Organic electroluminescent materials and devices Emerging Cross-Sectional Technologies 5 Active

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