Assignee
OPEL INC
US·6 granted patents·150 citations·filing 2002–2009
Top patents by PatentIndex Score
6 records- 0195US7807920B2Concentrated solar photovoltaic moduleOPEL INC·Filed 2007·Granted Oct 5, 2010·70 cites·26 claims
- 0294US7173293B2Semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formationOPEL INC·Filed 2005·Granted Feb 6, 2007·21 cites·13 claims
- 0385US6995407B2Photonic digital-to-analog converter employing a plurality of heterojunction thyristor devicesOPEL INC·Filed 2002·Granted Feb 7, 2006·36 cites·46 claims
- 0473US7855336B2Concentrated solar photovoltaic module with protective light shieldingOPEL INC·Filed 2009·Granted Dec 21, 2010·4 cites·5 claims
- 0566US7015120B2Method of fabricating semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formationOPEL INC·Filed 2003·Granted Mar 21, 2006·10 cites·35 claims
- 0660US6977954B2Semiconductor laser array device employing modulation doped quantum well structuresOPEL INC·Filed 2003·Granted Dec 20, 2005·9 cites·57 claims
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