Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6901100 | Semiconductor laser device in which near-edge portion of upper cladding layer is insulated for preventing current injection | Akihiro Mukaiyama, Toshiaki Fukunaga | 2005-05-31 |
| 6888866 | Semiconductor laser device with a current non-injection region near a resonator end face, and fabrication method thereof | Fusao Yamanaka, Toshiaki Fukunaga | 2005-05-03 |
| 6859478 | Semiconductor light emitting device in which near-edge portion is filled with doped regrowth layer, and dopant to regrowth layer is diffused into near-edge region of active layer | — | 2005-02-22 |