Inventor · disambiguated record
Wolfram Hempel
Also filed as: HEMPEL WOLFRAM
4 granted patents·27 citations·filing 2006–2008
72Inventor score
Top patents by PatentIndex Score
4 records- 0182US7791265B2Red-emitting luminescent substance and light source comprising such a luminescent substanceOSRAM GMBH·Filed 2006·Granted Sep 7, 2010·11 cites·12 claims
- 0279US7489073B2Blue to yellow-orange emitting phosphor, and light source having such a phosphorPATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH·Filed 2006·Granted Feb 10, 2009·9 cites·14 claims
- 0373US8808577B2Thermally stable oxynitride phosphor and light source comprising such a phosphorBECKER DANIEL·Filed 2008·Granted Aug 19, 2014·7 cites·19 claims
- 0444US9109161B2Illuminant and light source containing the same, and method for producing said illuminantBECKER DANIEL·Filed 2007·Granted Aug 18, 2015·0 cites·4 claims
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