Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684818 | Stepped substrate semiconductor laser for emitting light at slant portion | Takehiro Fukushima, Akira Furuya | 1997-11-04 |
| 5668048 | Method of making a semiconductor device utilizing crystal orientation dependence of impurity concentration | Makoto Kondo, Hajime Shoji | 1997-09-16 |
| 5621748 | Stripe laser diode having an improved efficiency for current confinement | Makoto Kondo, Akira Furuya, Mami Sugano, Kay Domen, Toshiyuki Tanahashi +1 more | 1997-04-15 |