Inventor · Chapel Hill, NC, US

Scott Sheppard

100Patents
27h-index
53Co-inventors
93Inventor score

Filing activity: Apr 17, 1998 → Jun 24, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6316793A Nitride based transistors on semi-insulating silicon carbide substrates Electricity 326 Expired
US7238560B2 Methods of fabricating nitride-based transistors with a cap layer and a recessed gate Electricity 237 Expired
US6982204B2 Nitride-based transistors and methods of fabrication thereof using non-etched contact recesses Electricity 157 Expired
US7548112B2 Switch mode power amplifier using MIS-HEMT with field plate extension Electricity 151 Active
US7045404B2 Nitride-based transistors with a protective layer and a low-damage recess and methods of fabrication thereof Electricity 123 Expired
US6583454B2 Nitride based transistors on semi-insulating silicon carbide substrates Electricity 121 Expired
US6486502B1 Nitride based transistors on semi-insulating silicon carbide substrates Electricity 121 Expired
US7875910B2 Integrated nitride and silicon carbide-based devices Electricity 119 Active
US7125786B2 Method of forming vias in silicon carbide and resulting devices and circuits Electricity 112 Expired
US7419892B2 Semiconductor devices including implanted regions and protective layers and methods of forming the same Electricity 101 Expired
US7875914B2 Switch mode power amplifier using mis-HEMT with field plate extension Electricity 99 Active
US7592211B2 Methods of fabricating transistors including supported gate electrodes Electricity 97 Active
US8049252B2 Methods of fabricating transistors including dielectrically-supported gate electrodes and related devices Electricity 95 Active
US7906799B2 Nitride-based transistors with a protective layer and a low-damage recess Electricity 95 Expired
US7709269B2 Methods of fabricating transistors including dielectrically-supported gate electrodes Electricity 93 Active
US7855401B2 Passivation of wide band-gap based semiconductor devices with hydrogen-free sputtered nitrides Electricity 92 Active
US7709859B2 Cap layers including aluminum nitride for nitride-based transistors Electricity 89 Active
US7901994B2 Methods of manufacturing group III nitride semiconductor devices with silicon nitride layers Electricity 85 Active
US7332795B2 Dielectric passivation for semiconductor devices Electricity 83 Expired
US7465967B2 Group III nitride field effect transistors (FETS) capable of withstanding high temperature reverse bias test conditions Electricity 82 Expired
US7875537B2 High temperature ion implantation of nitride based HEMTs Electricity 76 Active
US7456443B2 Transistors having buried n-type and p-type regions beneath the source region Electricity 76 Expired
US7960756B2 Transistors including supported gate electrodes Electricity 72 Active
US7892974B2 Method of forming vias in silicon carbide and resulting devices and circuits Electricity 71 Active
US7550784B2 Nitride-based transistors and methods of fabrication thereof using non-etched contact recesses Electricity 69 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.