Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790082 | CMOS and pressure sensor integrated on a chip and fabrication method | Lianjun Liu | 2017-10-17 |
| 9397233 | High voltage deep trench capacitor | Ronghua Zhu, Vishnu Khemka, Todd C. Roggenbauer | 2016-07-19 |
| 8188543 | Electronic device including a conductive structure extending through a buried insulating layer | Todd C. Roggenbauer, Vishnu Khemka, Ronghua Zhu, Paul Hui, Xiaoqiu Huang | 2012-05-29 |
| 8134222 | MOS capacitor structures | Tahir A. Khan, Vishnu Khemka, Ronghua Zhu | 2012-03-13 |
| 7851889 | MOSFET device including a source with alternating P-type and N-type regions | Ronghua Zhu, Vishnu Khemka, Todd C. Roggenbauer | 2010-12-14 |
| 7851857 | Dual current path LDMOSFET with graded PBL for ultra high voltage smart power applications | Yue Fu, Ronghua Zhu, Vishnu Khemka, Todd C. Roggenbauer | 2010-12-14 |
| 7838383 | Methods for forming MOS capacitors | Tahir A. Khan, Vishnu Khemka, Ronghua Zhu | 2010-11-23 |
| 7820519 | Process of forming an electronic device including a conductive structure extending through a buried insulating layer | Todd C. Roggenbauer, Vishnu Khemka, Ronghua Zhu, Paul Hui, Xiaoqiu Huang +1 more | 2010-10-26 |
| 7791161 | Semiconductor devices employing poly-filled trenches | Ronghua Zhu, Vishnu Khemka | 2010-09-07 |
| 7777257 | Bipolar Schottky diode and method | Vishnu Khemka, Todd C. Roggenbauer, Ronghua Zhu | 2010-08-17 |
| 7763937 | Variable resurf semiconductor device and method | Vishnu Khemka, Todd C. Roggenbauer, Ronghua Zhu | 2010-07-27 |
| 7732274 | High voltage deep trench capacitor | Ronghua Zhu, Vishnu Khemka, Todd C. Roggenbauer | 2010-06-08 |
| 7723204 | Semiconductor device with a multi-plate isolation structure | Vishnu Khemka, Todd C. Roggenbauer, Ronghua Zhu | 2010-05-25 |
| 7608908 | Robust deep trench isolation | Vishnu Khemka, Michael C. Butner, Bernhard Grote, Tahir A. Khan, Shifeng Shen +1 more | 2009-10-27 |
| 7550804 | Semiconductor device and method for forming the same | Vishnu Khemka, Todd C. Roggenbauer, Ronghua Zhu | 2009-06-23 |
| 7511319 | Methods and apparatus for a stepped-drift MOSFET | Ronghua Zhu, Vishnu Khemka, Todd C. Roggenbauer | 2009-03-31 |
| 7476593 | Semiconductor device and method of forming the same | Ronghua Zhu, Vishnu Khemka, Vijay Parthasarathy | 2009-01-13 |
| 7466006 | Structure and method for RESURF diodes with a current diverter | Vishnu Khemka, Ronghua Zhu | 2008-12-16 |
| 7439584 | Structure and method for RESURF LDMOSFET with a current diverter | Vishnu Khemka, Todd C. Roggenbauer, Ronghua Zhu | 2008-10-21 |
| 7436025 | Termination structures for super junction devices | Ronghua Zhu, Vishnu Khemka, Todd C. Roggenbauer | 2008-10-14 |
| 7405128 | Dotted channel MOSFET and method | Vishnu Khemka, Todd C. Roggenbauer, Ronghua Zhu | 2008-07-29 |
| 7355260 | Schottky device and method of forming | Vishnu Khemka, Vijay Parthasarathy, Ronghua Zhu | 2008-04-08 |
| 7329566 | Semiconductor device and method of manufacture | Vishnu Khemka, Ronghua Zhu | 2008-02-12 |
| 7309638 | Method of manufacturing a semiconductor component | Vishnu Khemka, Vijay Parthasarathy, Ronghua Zhu, Todd C. Roggenbauer | 2007-12-18 |
| 7282386 | Schottky device and method of forming | Vishnu Khemka, Vijay Parthasarathy, Ronghua Zhu | 2007-10-16 |