Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652762 | Semiconductor laser device and method for fabricating the same and strained quantum well crystal and method for fabricating the same | Nobuyuki Otsuka, Masato Ishino, Yasushi Matsui | 1997-07-29 |