Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362974 | Group II-VI material semiconductor optical device with strained multiquantum barriers | Michinori Irikawa | 1994-11-08 |
| 5289486 | Semiconductor luminous element and superlattice structure | Fumio Koyama, Takeshi Takagi | 1994-02-22 |