Inventor · Ulster, PA, US

H. David Layman

3Patents
2h-index
4Co-inventors
30Inventor score

Filing activity: Dec 23, 1974 → Jul 6, 1976

Most-cited inventions

PatentTitleAreaCited byStatus
US4038205A Method for producing cadmium free green emitting cathodoluminescent phosphor Chemistry; Metallurgy 7 Expired
US3941714A Process for reclaiming rare earth oxysulfide phosphors Emerging Cross-Sectional Technologies 5 Expired
US4088921A Zinc sulfide phosphor coactivated with copper and aluminum Electricity 1 Expired

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