Inventor · Portland, OR, US

Duane B. Barber

11Patents
4h-index
14Co-inventors
53Inventor score

Filing activity: Apr 7, 1997 → May 14, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5825105A Magnetic levitation and systems for the support and conveyance of useful payloads Performing Operations; Transporting 10 Expired
US9029215B2 Method of making an insulated gate semiconductor device having a shield electrode structure Electricity 7 Active
US7897462B2 Method of manufacturing semiconductor component with gate and shield electrodes in trenches Electricity 4 Active
US6861183B2 Scatter dots Physics 4 Expired
US6818365B2 Feed forward leveling Physics 3 Expired
US7550236B2 Multi wavelength mask for multi layer printing on a process substrate Physics 2 Active
US8685822B2 Semiconductor component and method of manufacture Electricity 1 Active
US7016054B2 Lithography line width monitor reflecting chip-wide average feature size Physics 1 Expired
US7018753B2 Variable mask field exposure Physics 0 Expired
US8685633B2 Method for optimizing wafer edge patterning Physics 0 Active
US7638245B2 Mask set for variable mask field exposure Physics 0 Active

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