Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296048 | Class of magnetic materials for solid state devices | Leroy L. Chang, Hiro Munekata, Hideo Ohno, Stephan vonMolnar | 1994-03-22 |
| 5294287 | Class of magnetic materials for solid state devices | Leroy L. Chang, Hiro Munekata, Hideo Ohno, Stephan vonMolnar | 1994-03-15 |
| 5079601 | Optoelectronic devices based on intraband transitions in combinations of type I and type II tunnel junctions | Hideo Ohno, Emilio E. Mendez | 1992-01-07 |
| 4743951 | Field effect transistor | Chin-An Chang, Leroy L. Chang, Emilio E. Mendez | 1988-05-10 |
| 4733282 | One-dimensional quantum pipeline type carrier path semiconductor devices | Leroy L. Chang | 1988-03-22 |
| 4665415 | Semiconductor device with hole conduction via strained lattice | Leroy L. Chang, Wen-I Wang | 1987-05-12 |
| 4558336 | MBE Growth technique for matching superlattices grown on GaAs substrates | Chin-An Chang, Leroy L. Chang | 1985-12-10 |
| 4538165 | FET With heterojunction induced channel | Chin-An Chang, Leroy L. Chang, Emilio E. Mendez | 1985-08-27 |
| 4517047 | MBE growth technique for matching superlattices grown on GaAs substrates | Chin-An Chang, Leroy L. Chang | 1985-05-14 |
| 4395722 | Heterojunction transistor | Chin-An Chang | 1983-07-26 |
| 4371884 | InAs-GaSb Tunnel diode | Chin-An Chang | 1983-02-01 |
| 4348686 | Microwave-infrared detector with semiconductor superlattice region | George A. Sai-Halasz | 1982-09-07 |
| 4250515 | Heterojunction superlattice with potential well depth greater than half the bandgap | Raphael Tsu, George A. Sai-Halasz, Leroy L. Chang | 1981-02-10 |
| 4239584 | Molecular-beam epitaxy system and method including hydrogen treatment | Chin-An Chang, Leroy L. Chang | 1980-12-16 |
| 4208667 | Controlled absorption in heterojunction structures | Leroy L. Chang, George A. Sai-Halasz | 1980-06-17 |
| 4205331 | Infrared optical devices of layered structure | George A. Sai-Halasz, Leroy L. Chang | 1980-05-27 |
| 4198644 | Tunnel diode | — | 1980-04-15 |