Inventor

LI YUAN-QIANG

NL6 patents

⚠️ This page may combine multiple inventors who share the name “LI YUAN-QIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OSRAM OPTO SEMICONDUCTORS GMBH

2 patents

US7351356B2Apr 1, 2008

Luminescent material, especially for LED application

OSRAM OPTO SEMICONDUCTORS GMBH34 citations86

US7485243B2Feb 3, 2009

Luminescent material and light emitting diode using the same

OSRAM OPTO SEMICONDUCTORS GMBH9 citations81

LI YUAN QIANG

2 patents

US8815121B2Aug 26, 2014

Halogenated oxycarbidonitride phosphor and devices using same

LI YUAN QIANG3 citations57

US8536777B2Sep 17, 2013

Oxycarbidonitride based phosphors and LED lighting devices

LI YUAN QIANG4 citations57

LEUCHTSTOFFWERK BREITUNGEN

1 patent

US8007683B2Aug 30, 2011

Carbidonitridosilicate luminescent substance

LEUCHTSTOFFWERK BREITUNGEN15 citations78

APOTEX PHARMACHEM INC

1 patent

US7902380B2Mar 8, 2011

Process for the preparation of (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide and (R)-alpha-ethyl-2-oxo-pyrrolidineacetamide

APOTEX PHARMACHEM INC4 citations60