Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815083 | Buried heterostructure semiconductor laser with high-resistivity semiconductor layer for current confinement | Shigeo Sugou | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815083 | Buried heterostructure semiconductor laser with high-resistivity semiconductor layer for current confinement | Shigeo Sugou | 1989-03-21 |