Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141446 | Optically- and electrically-addressable concentrators of biological and chemical materials | Peter D. Brewer | 2006-11-28 |
| 6870234 | Optically- and electrically-addressable concentrators of biological and chemical materials | Peter D. Brewer | 2005-03-22 |
| 6855948 | Low base-emitter voltage heterojunction bipolar transistor | Kenneth R. Elliott, Chanh Nguyen | 2005-02-15 |
| 6812070 | Epitaxially-grown backward diode | Joel N. Schulman | 2004-11-02 |
| 6734470 | Laterally varying multiple diodes | Joel N. Schulman | 2004-05-11 |
| 6727153 | Superlattice fabrication for InAs/GaSb/AlSb semiconductor structures | — | 2004-04-27 |
| 6635907 | Type II interband heterostructure backward diodes | Chanh Nguyen, Joel N. Schulman | 2003-10-21 |
| 6507043 | Epitaxially-grown backward diode | Joel N. Schulman | 2003-01-14 |
| 6323696 | Sample and hold circuit | Ronald M. Hickling, Joel N. Schulman, Lap-Wai Chow, Hector J. De Los Santos | 2001-11-27 |
| 6320212 | Superlattice fabrication for InAs/GaSb/AISb semiconductor structures | — | 2001-11-20 |
| 6303941 | Integrated asymmetric resonant tunneling diode pair circuit | Yi Xie, Joel N. Schulman | 2001-10-16 |
| 5606178 | Bipolar resonant tunneling transistor | Joel N. Schulman | 1997-02-25 |
| 5594750 | Selectively Si-doped InAs/A1AsSb short-period-superlattices as N-type cladding layers for mid-IR laser structures grown on InAs substrates | Yong-Hang Zhang | 1997-01-14 |
| 5577061 | Superlattice cladding layers for mid-infrared lasers | Thomas C. Hasenberg | 1996-11-19 |
| 5543628 | Quantum well infrared filter | Colin G. Whitney | 1996-08-06 |
| 5489786 | Current-controlled resonant tunneling device | Joel N. Schulman | 1996-02-06 |
| 5451552 | Method for improvement of optical quality and reduction of background doping in gainSB/INAS superlattices | Richard Miles | 1995-09-19 |
| 5296721 | Strained interband resonant tunneling negative resistance diode | Joel N. Schulman | 1994-03-22 |
| 4780331 | Method and apparatus for induction charging of powder by contact electrification | Walter H. Cobbs, Jr., Harry J. Lader, Merle N. Hirsh | 1988-10-25 |