Inventor · Athens, PA, US

Dale E. Benjamin

13Patents
4h-index
17Co-inventors
53Inventor score

Filing activity: Oct 2, 1989 → Jan 12, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US5985175A Boron oxide coated phosphor and method of making same Emerging Cross-Sectional Technologies 28 Expired
US7833437B2 Moisture-resistant electroluminescent phosphor with high initial brightness and method of making Emerging Cross-Sectional Technologies 20 Active
US5258201A Method of forming a partial coating on phosphor particles by coating the phosphors in a fluidize bed for a limited time and subsequently annealing to promote ionic diffusion Chemistry; Metallurgy 12 Expired
US6309700A Method of making long life electroluminescent phosphor Emerging Cross-Sectional Technologies 11 Expired
US4979830A Method for fluidized bed circulation control Performing Operations; Transporting 4 Expired
US6733826B2 Method and apparatus for coating electroluminescent phosphors Emerging Cross-Sectional Technologies 3 Expired
US6849297B1 Encapsulated long life electroluminescent phosphor Chemistry; Metallurgy 2 Expired
US6426115B1 Method for making high-efficacy and long life electroluminescent phosphor Emerging Cross-Sectional Technologies 1 Expired
US6918963B2 Method and apparatus for coating electroluminescent phosphors Emerging Cross-Sectional Technologies 1 Expired
US6361864B1 Method for making high-efficacy and long life electroluminescent phophor Emerging Cross-Sectional Technologies 1 Expired
US8298666B2 Moisture resistant electroluminescent phosphor with high initial brightness and method of making Emerging Cross-Sectional Technologies 1 Active
US6686043B1 Method for making long-life electroluminescent phosphor Emerging Cross-Sectional Technologies 1 Expired
US7989064B2 Ceramic-coated tungsten powder Emerging Cross-Sectional Technologies 0 Expired

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