Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287377 | Coupled quantum well tunable laser | Tadashi Fukuzawa, Ling-Yi Liu | 1994-02-15 |
| 5132746 | Biaxial-stress barrier shifts in pseudomorphic tunnel devices | Theoren P. Smith, III, Jerry M. Woodall | 1992-07-21 |
| 5079601 | Optoelectronic devices based on intraband transitions in combinations of type I and type II tunnel junctions | Leo Esaki, Hideo Ohno | 1992-01-07 |
| 5079774 | Polarization-tunable optoelectronic devices | Doyeol Ahn | 1992-01-07 |
| 4743951 | Field effect transistor | Chin-An Chang, Leroy L. Chang, Leo Esaki | 1988-05-10 |
| 4538165 | FET With heterojunction induced channel | Chin-An Chang, Leroy L. Chang, Leo Esaki | 1985-08-27 |