Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643315 | Distributed feedback semiconductor laser device and multi-wavelength laser array | Akihiko Kasukawa, Masaki Funabashi | 2003-11-04 |
| 6636543 | Semiconductor device and surface emitting semiconductor laser device | Tatsuyuki Shinagawa, Noriyuki Yokouchi | 2003-10-21 |