Inventor · Barchfeld-Immelborn, DE

Cheng-Jun Duan

4Patents
2h-index
9Co-inventors
30Inventor score

Filing activity: Oct 14, 2008 → Oct 19, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US8551360B2 Rare-earth doped alkaline-earth silicon nitride phosphor, method for producing and radiation converting device comprising such a phosphor Chemistry; Metallurgy 6 Active
US8858836B2 Borophosphate phosphor and light source Emerging Cross-Sectional Technologies 3 Active
US8815120B2 Alkaline earth metal silicate luminophores and method for improving the long term stability thereof Emerging Cross-Sectional Technologies 0 Active
US8319417B2 ABOS:M-based phosphors and light sources containing these phosphors Emerging Cross-Sectional Technologies 0 Active

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