Inventor · Kettering, OH, US

James S. Sewell

13Patents
10h-index
17Co-inventors
65Inventor score

Filing activity: Dec 20, 1989 → Jan 3, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5698870A High electron mobility transistor (HEMT) and pseudomorphic high electron mobility transistor (PHEMT) devices with single layer integrated metal Electricity 38 Expired
US5698900A Field effect transistor device with single layer integrated metal and retained semiconductor masking Electricity 33 Expired
US5869364A Single layer integrated metal process for metal semiconductor field effect transistor (MESFET) Electricity 32 Expired
US6222210A Complementary heterostructure integrated single metal transistor apparatus Electricity 32 Expired
US6004881A Digital wet etching of semiconductor materials Electricity 23 Expired
US5976920A Single layer integrated metal process for high electron mobility transistor (HEMT) and pseudomorphic high electron mobility transistor (PHEMT) Emerging Cross-Sectional Technologies 15 Expired
US5940694A Field effect transistor process with semiconductor mask, single layer integrated metal, and dual etch stops Emerging Cross-Sectional Technologies 11 Expired
US6020226A Single layer integrated metal process for enhancement mode field-effect transistor Electricity 11 Expired
US5008542A Method and system for automated measurement of whole-wafer etch pit density in GaAs Physics 10 Expired
US6198116A Complementary heterostructure integrated single metal transistor fabrication method Electricity 10 Expired
US5796131A Metal semiconductor field effect transistor (MESFET) device with single layer integrated metal Electricity 5 Expired
US6066865A Single layer integrated metal enhancement mode field-effect transistor apparatus Electricity 3 Expired
US6653214B1 Measured via-hole etching Electricity 1 Expired

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