Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339325 | Strained multiple quantum well semiconductor laser and a method for producing the same | Yasushi Matsui | 1994-08-16 |
| 5319657 | Semiconductor laser of modulation doping quantum well structure with stopper against dopant dispersion and manufacturing method thereof | Nobuyuki Otsuka, Masato Ishino, Yasushi Matsui | 1994-06-07 |