Inventor · disambiguated record
Johannes Volkl
Also filed as: VOELKL JOHANNES · VOLKL JOHANNES · VÖLKL JOHANNES
17 granted patents·1 pending application·519 citations·filing 1994–2018
95Inventor score
Top patents by PatentIndex Score
18 records- 0198US6849881B1Optical semiconductor device comprising a multiple quantum well structureOSRAM GMBH·Filed 2000·Granted Feb 1, 2005·173 cites·25 claims
- 0292US7556974B2Optical semiconductor device with multiple quantum well structureOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2006·Granted Jul 7, 2009·14 cites·17 claims
- 0392US7106090B2Optical semiconductor device with multiple quantum well structureOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2004·Granted Sep 12, 2006·67 cites·19 claims
- 0486US7015514B2Light-emitting diode and method for the production thereofOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2002·Granted Mar 21, 2006·44 cites·23 claims
- 0585US6497764B2Method for growing SiC single crystalsSIEMENS AG·Filed 2001·Granted Dec 24, 2002·25 cites·18 claims
- 0684US8138511B2Radiation-emitting semiconductor component and method for producing the semiconductor componentBAUR JOHANNES·Filed 2006·Granted Mar 20, 2012·12 cites·31 claims
- 0782US5989340AProcess and device for sublimation growing of silicon carbide monocrystalsSIEMENS AG·Filed 1995·Granted Nov 23, 1999·44 cites·11 claims
- 0881US5707446ADevice for producing SiC single crystalsSIEMENS AG·Filed 1994·Granted Jan 13, 1998·37 cites·14 claims
- 0978US6897488B2Radiation-emitting chipOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2001·Granted May 24, 2005·30 cites·24 claims
- 1076US10781498B2Combined system for producing steel and method for operating the combined systemTHYSSENKRUPP AG·Filed 2014·Granted Sep 22, 2020·2 cites·10 claims
- 1170US11420867B2Process for combined production of methanol and ammoniaGASCONTEC AG·Filed 2018·Granted Aug 23, 2022·1 cites·14 claims
- 1269US6891199B2Radiation-emitting semiconductor chip and light-emitting diodeOSRAM GMBH·Filed 2001·Granted May 10, 2005·19 cites·20 claims
- 1366US5985026ASeed crystal for producing monocrystals and method for producing SiC monocrystals or monocrystalline SiC layersSIEMENS AG·Filed 1998·Granted Nov 16, 1999·19 cites·15 claims
- 1466US5968265AMethod for producing silicon carbide monocrystalsSIEMENS AG·Filed 1998·Granted Oct 19, 1999·19 cites·13 claims
- 1556US7169632B2Radiation-emitting semiconductor component and method for producing the semiconductor componentOSRAM GMBH·Filed 2003·Granted Jan 30, 2007·6 cites·24 claims
- 1654US6689212B2Method for growing an α-SiC bulk single crystalSIEMENS AG·Filed 2001·Granted Feb 10, 2004·2 cites·11 claims
- 1754US6344085B2Device and method for producing at least one SiC single crystalSIEMENS AG·Filed 2001·Granted Feb 5, 2002·5 cites·14 claims
- 1840US2005233484A1Radiation-emitting semiconductor chip and method for the production thereofOSRAM OPTO SEMICONDUCTORS GMBH·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →