Inventor · Los Altos, CA, US

Wayne B. Grabowski

32Patents
20h-index
16Co-inventors
82Inventor score

Filing activity: Oct 2, 1992 → Apr 13, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6049108A Trench-gated MOSFET with bidirectional voltage clamping Electricity 313 Expired
US6239463A Low resistance power MOSFET or other device containing silicon-germanium layer Electricity 204 Expired
US6046470A Trench-gated MOSFET with integral temperature detection diode Electricity 192 Expired
US6078090A Trench-gated Schottky diode with integral clamping diode Electricity 163 Expired
US6291298A Process of manufacturing Trench gate semiconductor device having gate oxide layer with multiple thicknesses Electricity 146 Expired
US6413822B2 Super-self-aligned fabrication process of trench-gate DMOS with overlying device layer Electricity 120 Expired
US6140678A Trench-gated power MOSFET with protective diode Electricity 60 Expired
US6204533A Vertical trench-gated power MOSFET having stripe geometry and high cell density Electricity 50 Expired
US5323044A Bi-directional MOSFET switch Electricity 48 Expired
US6555883B1 Lateral power MOSFET for high switching speeds Electricity 46 Expired
US6072216A Vertical DMOS field effect transistor with conformal buried layer for reduced on-resistance Emerging Cross-Sectional Technologies 45 Expired
US6825536B2 Lateral power MOSFET for high switching speeds Electricity 44 Expired
US7115958B2 Lateral power MOSFET for high switching speeds Electricity 43 Expired
US5274259A High voltage transistor Electricity 42 Expired
US5411901A Method of making high voltage transistor Electricity 38 Expired
US6277695A Method of forming vertical planar DMOSFET with self-aligned contact Electricity 33 Expired
US7557406B2 Segmented pillar layout for a high-voltage vertical transistor Electricity 32 Active
US6268242A Method of forming vertical mosfet device having voltage clamped gate and self-aligned contact Electricity 30 Expired
US6750507B2 Super-self-aligned trench-gated DMOS with reduced on-resistance Electricity 23 Expired
US6900100B2 Trench semiconductor device having gate oxide layer with multiple thicknesses and processes of fabricating the same Electricity 21 Expired
US7816731B2 Segmented pillar layout for a high-voltage vertical transistor Electricity 20 Active
US6924198B2 Self-aligned trench transistor using etched contact Electricity 20 Expired
US7052963B2 Method of forming trench transistor with chained implanted body including a plurality of implantation with different energies Electricity 19 Expired
US6756274B2 Fabrication process for a super-self-aligned trench-gated DMOS with reduced on-resistance Electricity 17 Expired
US5998834A Long channel trench-gated power MOSFET having fully depleted body region Electricity 14 Expired

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