Issued Patents All Time
Showing 26–50 of 142 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7364994 | Method for manufacturing a superjunction device with wide mesas | Koon Chong So, Brian Pratt | 2008-04-29 |
| 7354818 | Process for high voltage superjunction termination | Brian Pratt | 2008-04-08 |
| 7199006 | Planarization method of manufacturing a superjunction device | — | 2007-04-03 |
| 7109110 | Method of manufacturing a superjunction device | — | 2006-09-19 |
| 7094640 | Method of making a trench MOSFET device with improved on-resistance | Koon Chong So, John Amato, Yan Man Tsui | 2006-08-22 |
| 7052982 | Method for manufacturing a superjunction device with wide mesas | Koon Chong So, Brian Pratt | 2006-05-30 |
| 7049668 | Gate contacting scheme of a trench MOSFET structure | — | 2006-05-23 |
| 7049194 | Trench DMOS device with improved drain contact | Koon Chong So, William John Nelson, John Amato | 2006-05-23 |
| 7041560 | Method of manufacturing a superjunction device with conventional terminations | — | 2006-05-09 |
| 7019360 | High voltage power mosfet having a voltage sustaining region that includes doped columns formed by trench etching using an etchant gas that is also a doping source | Richard A. Blanchard | 2006-03-28 |
| 7015125 | Trench MOSFET device with polycrystalline silicon source contact structure | Koon Chong So, John Amato, Yan Man Tsui | 2006-03-21 |
| 6979621 | Trench MOSFET having low gate charge | Koon Chong So | 2005-12-27 |
| 6977203 | Method of forming narrow trenches in semiconductor substrates | Koon Chong So, John Amato, Brian Pratt | 2005-12-20 |
| 6884683 | Trench DMOS transistor having a zener diode for protection from electro-static discharge | Koon Chong So | 2005-04-26 |
| 6849899 | High speed trench DMOS | Koon Chong So | 2005-02-01 |
| 6822288 | Trench MOSFET device with polycrystalline silicon source contact structure | Koon Chong So, John Amato, Yan Man Tsui | 2004-11-23 |
| 6781196 | Trench DMOS transistor having improved trench structure | Koon Chong So, Yan Man Tsui | 2004-08-24 |
| 6777745 | Symmetric trench MOSFET device and method of making same | Koon Chong So, Richard A. Blanchard | 2004-08-17 |
| 6770548 | Trench schottky rectifier | Koon Chong So | 2004-08-03 |
| 6762098 | Trench DMOS transistor with embedded trench schottky rectifier | Yan Man Tsui, Koon Chong So | 2004-07-13 |
| 6750104 | High voltage power MOSFET having a voltage sustaining region that includes doped columns formed by trench etching using an etchant gas that is also a doping source | Richard A. Blanchard | 2004-06-15 |
| 6740951 | Two-mask trench schottky diode | Yan Man Tsui, Koon Chong So | 2004-05-25 |
| 6713352 | Method of forming a trench MOSFET with structure having increased cell density and low gate charge | Koon Chong So, Yan Man Tsui | 2004-03-30 |
| 6707127 | Trench schottky rectifier | Max Chen, Koon Chong So, Yan Man Tsui | 2004-03-16 |
| 6674124 | Trench MOSFET having low gate charge | Koon Chong So | 2004-01-06 |