Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9041409 | Localization of failure in high density test structure | — | 2015-05-26 |
| 7504854 | Regulating unused/inactive resources in programmable logic devices for static power reduction | Michael J. Hart, Tim Tuan, Kameswara K. Rao, Robert O. Conn | 2009-03-17 |
| 7452765 | Single event upset in SRAM cells in FPGAs with high resistivity gate structures | Martin L. Voogel, Austin H. Lesea, Joseph J. Fabula, Carl H. Carmichael, Shahin Toutounchi +3 more | 2008-11-18 |
| 7092273 | Low voltage non-volatile memory transistor | — | 2006-08-15 |
| 7026692 | Low voltage non-volatile memory transistor | — | 2006-04-11 |
| 6982451 | Single event upset in SRAM cells in FPGAs with high resistivity gate structures | Martin L. Voogel, Austin H. Lesea, Joseph J. Fabula, Carl H. Carmichael, Shahin Toutounchi +3 more | 2006-01-03 |
| 6936527 | Low voltage non-volatile memory cell | — | 2005-08-30 |
| 6930920 | Low voltage non-volatile memory cell | — | 2005-08-16 |
| 6882571 | Low voltage non-volatile memory cell | — | 2005-04-19 |
| 6878561 | Mask-alignment detection circuit in X and Y directions | Shih-Cheng Hsueh | 2005-04-12 |
| 6716653 | Mask alignment structure for IC layers | Shih-Cheng Hsueh | 2004-04-06 |
| 6684520 | Mask-alignment detection circuit in x and y directions | Shih-Cheng Hsueh | 2004-02-03 |
| 6671205 | Low voltage non-volatile memory cell | — | 2003-12-30 |
| 6569576 | Reticle cover for preventing ESD damage | Shih-Cheng Hsueh, Jonathan Ho | 2003-05-27 |
| 6563320 | Mask alignment structure for IC layers | Shih-Cheng Hsueh | 2003-05-13 |
| 6549458 | Non-volatile memory array using gate breakdown structures | Kameswara K. Rao, Martin L. Voogel, James Karp, Shahin Toutounchi, Michael J. Hart +3 more | 2003-04-15 |
| 6522582 | Non-volatile memory array using gate breakdown structures | Kameswara K. Rao, Martin L. Voogel, James Karp, Shahin Toutounchi, Michael J. Hart +3 more | 2003-02-18 |
| 6496416 | Low voltage non-volatile memory cell | — | 2002-12-17 |
| 6465305 | Methods and circuits employing threshold voltages for mask-alignment detection | Shih-Cheng Hsueh | 2002-10-15 |
| 6436726 | Methods and circuits for mask-alignment detection | Shih-Cheng Hsueh | 2002-08-20 |
| 6426534 | Methods and circuits employing threshold voltages for mask-alignment detection | Shih-Cheng Hsueh | 2002-07-30 |
| 6393714 | Resistor arrays for mask-alignment detection | Shih-Cheng Hsueh | 2002-05-28 |
| 6305095 | Methods and circuits for mask-alignment detection | Shih-Cheng Hsueh | 2001-10-23 |
| 6057589 | Method for over-etching to improve voltage distribution | Yakov Karpovich, Michael J. Hart | 2000-05-02 |
| 5970372 | Method of forming multilayer amorphous silicon antifuse | Michael J. Hart, Yakov Karpovich | 1999-10-19 |