Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657337 | Semiconductor laser device having a resonator of a particular length for reducing threshold current density | Toshiyuki Okumura, Fumihiro Konushi, Tatsuya Morioka | 1997-08-12 |