Issued Patents All Time
Showing 76–100 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901168 | Article comprising an improved QC laser | James N. Baillargeon, Alfred Yi Cho, Jerome Faist, Claire F. Gmachl, Carlo Sirtori +1 more | 1999-05-04 |
| 5745516 | Article comprising a unipolar superlattice laser | Alfred Yi Cho, Jerome Faist, Albert Lee Hutchinson, Gaetano Scamarcio, Carlo Sirtori +1 more | 1998-04-28 |
| 5727010 | Article comprising an improved quantum cascade laser | Alfred Yi Cho, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco | 1998-03-10 |
| 5570386 | Semiconductor laser | Alfred Yi Cho, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco | 1996-10-29 |
| 5509025 | Unipolar semiconductor laser | Alfred Yi Cho, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco | 1996-04-16 |
| 5502787 | Article comprising a semiconductor waveguide structure | Alfred Yi Cho, Jerome Faist, Albert Lee Hutchinson, Carlo Sirtori, Deborah Lee Sivco | 1996-03-26 |
| 5457709 | Unipolar semiconductor laser | Alfred Yi Cho, Jerome Faist, Albert Lee Hutchinson, Serge Luryi, Carlo Sirtori +1 more | 1995-10-10 |
| 5311009 | Quantum well device for producing localized electron states for detectors and modulators | Alfred Yi Cho, Jerome Faist, Carlo Sirtori, Deborah Lee Sivco | 1994-05-10 |
| 4999697 | Sequential-quenching resonant-tunneling transistor | Alfred Yi Cho, Susanta Sen | 1991-03-12 |
| 4999485 | Nonlinerar optical device structure with compound semiconductor having graded chemical composition | Stephen E. Ralph | 1991-03-12 |
| 4945393 | Floating gate memory circuit and apparatus | Fabio Beltram, Roger Malik, Nitin J. Shah | 1990-07-31 |
| 4905063 | Floating gate memories | Fabio Beltram, Roger Malik, Nitin J. Shah | 1990-02-27 |
| 4902912 | Apparatus including resonant-tunneling device having multiple-peak current-voltage characteristics | Alfred Yi Cho, Susanta Sen, Masakazu Shoji, Deborah Lee Sivco | 1990-02-20 |
| 4853753 | Resonant-tunneling device, and mode of device operation | Alfred Yi Cho, Susanta Sen | 1989-08-01 |
| 4849799 | Resonant tunneling transistor | Harry T. French, Arthur C. Gossard, Albert Lee Hutchinson, Richard A. Kiehl, Sustana Sen | 1989-07-18 |
| 4794440 | Heterojunction bipolar transistor | Arthur C. Gossard, John Hayes, Roger Malik, Pierre M. Petroff | 1988-12-27 |
| 4755860 | Avalanche photodetector | Jeremy Allam, Alfred Yi Cho | 1988-07-05 |
| 4719496 | Repeated velocity overshoot semiconductor device | James A. Cooper, Karvel K. Thornber | 1988-01-12 |
| 4704622 | Negative transconductance device | Sergey Luryi | 1987-11-03 |
| 4694318 | Sawtooth photodetector | Won-Tien Tsang | 1987-09-15 |
| 4686550 | Heterojunction semiconductor devices having a doping interface dipole | Alfred Yi Cho | 1987-08-11 |
| 4679061 | Superlattice photoconductor | Alfred Yi Cho, Albert Lee Hutchinson, Khalid Mohammed | 1987-07-07 |
| 4599632 | Photodetector with graded bandgap region | Clyde George Bethea, Albert Lee Hutchinson, Barry Levine, Won-Tien Tsang | 1986-07-08 |
| 4597165 | Method of making integrated circuits employing ion-bombarded InP layers | Marlin Focht, Albert T. Macrander, Bertram Schwartz | 1986-07-01 |
| 4590507 | Variable gap devices | Arthur C. Gossard, Michael J. Stavola | 1986-05-20 |