Inventor · Union City, CA, US

Yan Man Tsui

31Patents
16h-index
10Co-inventors
70Inventor score

Filing activity: Feb 27, 1996 → Nov 8, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5895951A MOSFET structure and fabrication process implemented by forming deep and narrow doping regions through doping trenches Electricity 146 Expired
US6593620B1 Trench DMOS transistor with embedded trench schottky rectifier Electricity 88 Expired
US6472708B1 Trench MOSFET with structure having low gate charge Emerging Cross-Sectional Technologies 88 Expired
US6475884B2 Devices and methods for addressing optical edge effects in connection with etched trenches Electricity 78 Expired
US5763915A DMOS transistors having trenched gate oxide Electricity 72 Expired
US6657254B2 Trench MOSFET device with improved on-resistance Electricity 65 Expired
US6762098B2 Trench DMOS transistor with embedded trench schottky rectifier Electricity 48 Expired
US6548860B1 DMOS transistor structure having improved performance Electricity 36 Expired
US6518127B2 Trench DMOS transistor having a double gate structure Electricity 29 Expired
US6822288B2 Trench MOSFET device with polycrystalline silicon source contact structure Electricity 23 Expired
US6445037B1 Trench DMOS transistor having lightly doped source structure Electricity 23 Expired
US5668026A DMOS fabrication process implemented with reduced number of masks Electricity 23 Expired
US6707127B1 Trench schottky rectifier Electricity 20 Expired
US6048759A Gate/drain capacitance reduction for double gate-oxide DMOS without degrading avalanche breakdown Electricity 17 Expired
US5729037A MOSFET structure and fabrication process for decreasing threshold voltage Electricity 17 Expired
US6620691B2 Semiconductor trench device with enhanced gate oxide integrity structure Electricity 16 Expired
US5923065A Power MOSFET device manufactured with simplified fabrication processes to achieve improved ruggedness and product cost savings Electricity 16 Expired
US6404025B1 MOSFET power device manufactured with reduced number of masks by fabrication simplified processes Electricity 15 Expired
US5877529A Mosfet termination design and core cell configuration to increase breakdown voltage and to improve device ruggedness Electricity 13 Expired
US6740951B2 Two-mask trench schottky diode Electricity 8 Expired
US6518152B2 Method of forming a trench schottky rectifier Electricity 8 Expired
US5883416A Gate-contact structure to prevent contact metal penetration through gate layer without affecting breakdown voltage Electricity 6 Expired
US5883410A Edge wrap-around protective extension for covering and protecting edges of thick oxide layer Electricity 6 Expired
US6713352B2 Method of forming a trench MOSFET with structure having increased cell density and low gate charge Emerging Cross-Sectional Technologies 5 Expired
US6555895B1 Devices and methods for addressing optical edge effects in connection with etched trenches Electricity 3 Expired

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