Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839307 | Method of manufacturing a stripe-shaped heterojunction laser with unique current confinement | Koichi Imanaka | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839307 | Method of manufacturing a stripe-shaped heterojunction laser with unique current confinement | Koichi Imanaka | 1989-06-13 |