Inventor · Wilmington, DE, US

Dalen E. Keys

10Patents
6h-index
25Co-inventors
66Inventor score

Filing activity: Oct 1, 1985 → Jan 26, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4942102A Holographic optical elements having a reflection hologram formed in a photopolymer Emerging Cross-Sectional Technologies 112 Expired
US4965152A Holographic notch filters Emerging Cross-Sectional Technologies 32 Expired
US5061024A Amorphous fluoropolymer pellicle films Physics 29 Expired
US4950567A Holographic optical combiners for head-up displays Emerging Cross-Sectional Technologies 24 Expired
US4636453A Photopolymer films containing microencapsulated sensitometric adjuvants Emerging Cross-Sectional Technologies 16 Expired
US7666568B2 Composition and method for providing a patterned metal layer having high conductivity Emerging Cross-Sectional Technologies 9 Active
US7582403B2 Metal compositions, thermal imaging donors and patterned multilayer compositions derived therefrom Emerging Cross-Sectional Technologies 6 Active
US4755446A Photosensitive compositions containing microcapsules concentrated in surface layer Electricity 5 Expired
US7901596B2 Metal compositions, thermal imaging donors and patterned multilayer compositions derived therefrom Emerging Cross-Sectional Technologies 3 Active
US8440383B2 Metal compositions, thermal imaging donors and patterned multilayer compositions derived therefrom Emerging Cross-Sectional Technologies 1 Active

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