Assignee
OPEL INC
US6 patents
Top patents by PatentIndex Score
US7807920B2Oct 5, 2010
Concentrated solar photovoltaic module
OPEL INC70 citations94
US7173293B2Feb 6, 2007
Semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formation
OPEL INC21 citations92
US6995407B2Feb 7, 2006
Photonic digital-to-analog converter employing a plurality of heterojunction thyristor devices
OPEL INC36 citations92
US7015120B2Mar 21, 2006
Method of fabricating semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formation
OPEL INC10 citations73
US6977954B2Dec 20, 2005
Semiconductor laser array device employing modulation doped quantum well structures
OPEL INC9 citations73
US7855336B2Dec 21, 2010
Concentrated solar photovoltaic module with protective light shielding
OPEL INC4 citations57