Assignee
VISUAL PHOTONICS EPITAXY CO LT
TW·9 granted patents·371 citations·filing 1998–2008
Top patents by PatentIndex Score
9 records- 0191US7335924B2High-brightness light emitting diode having reflective layerVISUAL PHOTONICS EPITAXY CO LT·Filed 2005·Granted Feb 26, 2008·28 cites·20 claims
- 0289US7384808B2Fabrication method of high-brightness light emitting diode having reflective layerVISUAL PHOTONICS EPITAXY CO LT·Filed 2005·Granted Jun 10, 2008·22 cites·24 claims
- 0388US6287882B1Light emitting diode with a metal-coated reflective permanent substrate and the method for manufacturing the sameVISUAL PHOTONICS EPITAXY CO LT·Filed 1999·Granted Sep 11, 2001·162 cites·13 claims
- 0488US6258699B1Light emitting diode with a permanent subtrate of transparent glass or quartz and the method for manufacturing the sameVISUAL PHOTONICS EPITAXY CO LT·Filed 1999·Granted Jul 10, 2001·123 cites·10 claims
- 0571US7385236B2BiFET semiconductor device having vertically integrated FET and HBTVISUAL PHOTONICS EPITAXY CO LT·Filed 2005·Granted Jun 10, 2008·5 cites·19 claims
- 0667US7573080B1Transient suppression semiconductor deviceVISUAL PHOTONICS EPITAXY CO LT·Filed 2008·Granted Aug 11, 2009·4 cites·7 claims
- 0748US6064076ALight-emitting diode having a transparent substrateVISUAL PHOTONICS EPITAXY CO LT·Filed 1998·Granted May 16, 2000·15 cites·3 claims
- 0844US6100544ALight-emitting diode having a layer of AlGaInP graded compositionVISUAL PHOTONICS EPITAXY CO LT·Filed 1998·Granted Aug 8, 2000·12 cites·19 claims
- 0931US7224005B2Heterojunction bipolar transistor structureVISUAL PHOTONICS EPITAXY CO LT·Filed 2004·Granted May 29, 2007·0 cites·14 claims
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