Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798804 | Laser apparatus including surface-emitting semiconductor excited with semiconductor laser element, and directly modulated | — | 2004-09-28 |
| 6778573 | Fundamental-transverse-mode index-guided semiconductor laser device having upper optical waveguide layer thinner than lower optical waveguide layer | Toshiaki Fukunaga | 2004-08-17 |
| 6760057 | Optical recording method, apparatus, system and medium using high-power laser light | Nobufumi Mori, Yoji Okazaki, Hiroyuki Hiiro | 2004-07-06 |
| 6738403 | Semiconductor laser element and semiconductor laser | Toshiaki Kuniyasu, Toshiaki Fukunaga | 2004-05-18 |
| 6728285 | Stripe type semiconductor light emitting element having InGan active layer, combined with optical resonator including wavelength selection element | — | 2004-04-27 |
| 6700912 | High-output semiconductor laser element, high-output semiconductor laser apparatus and method of manufacturing the same | — | 2004-03-02 |
| 6683324 | Semiconductor laser device in which thicknesses of optical guide region and AlGaN cladding layers satisfy predetermined condition | — | 2004-01-27 |