Assignee
DE GRAAF JAN
NL·3 granted patents·13 citations·filing 2009–2010
Top patents by PatentIndex Score
3 records- 0188US8496852B2Phosphor in polycrystalline ceramic structure and a light-emitting element comprisng sameDE GRAAF JAN·Filed 2010·Granted Jul 30, 2013·8 cites·6 claims
- 0263US8513691B2Light emitting device including reflective optic housing at least partially filled with reflective materialDE GRAAF JAN·Filed 2009·Granted Aug 20, 2013·2 cites·6 claims
- 0362US8338846B2Wavelength converted light emitting diode with reduced emission of unconverted lightDE GRAAF JAN·Filed 2009·Granted Dec 25, 2012·3 cites·15 claims
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