Inventor · disambiguated record
Yuan Qiang Li
Also filed as: LI YUAN QIANG
6 granted patents·3 pending applications·69 citations·filing 2003–2012
82Inventor score
Files withLI YUAN QIANG4APOTEX PHARMACHEM INC2OSRAM OPTO SEMICONDUCTORS GMBH2LEUCHTSTOFFWERK BREITUNGEN1
Top patents by PatentIndex Score
9 records- 0182US8007683B2Carbidonitridosilicate luminescent substanceLEUCHTSTOFFWERK BREITUNGEN·Filed 2006·Granted Aug 30, 2011·15 cites·20 claims
- 0282US7902380B2Process for the preparation of (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide and (R)-alpha-ethyl-2-oxo-pyrrolidineacetamideAPOTEX PHARMACHEM INC·Filed 2005·Granted Mar 8, 2011·4 cites·14 claims
- 0380US8536777B2Oxycarbidonitride based phosphors and LED lighting devicesLI YUAN QIANG·Filed 2012·Granted Sep 17, 2013·4 cites·10 claims
- 0479US7351356B2Luminescent material, especially for LED applicationOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2003·Granted Apr 1, 2008·34 cites·16 claims
- 0575US8815121B2Halogenated oxycarbidonitride phosphor and devices using sameLI YUAN QIANG·Filed 2012·Granted Aug 26, 2014·3 cites·10 claims
- 0657US7485243B2Luminescent material and light emitting diode using the sameOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2003·Granted Feb 3, 2009·9 cites·20 claims
- 0742US2014015400A1Phosphor and light emitting devices comprising sameLI YUAN QIANG·Filed 2012·Application pending·0 cites
- 0841US2007027211A1Process for production of bicalutamideAPOTEX PHARMACHEM INC·Filed 2006·Application pending·0 cites
- 0940US2014062287A1Oxycarbidonitride phosphor and devices using sameLI YUAN QIANG·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →