Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8301399 | Method for predicting lifetime of photo-semiconductor device and drive apparatus | — | 2012-10-30 |
| 7928453 | Semiconductor light emitting device | — | 2011-04-19 |
| 7366216 | Semiconductor laser element formed on substrate having tilted crystal orientation | — | 2008-04-29 |
| 7301978 | Semiconductor laser element with optical waveguide layer having increased thickness | — | 2007-11-27 |
| 7295587 | Semiconductor laser having optical guide layer doped for decreasing resistance | — | 2007-11-13 |
| 6856636 | Semiconductor laser device | Toshiaki Fukunaga | 2005-02-15 |
| 6560261 | Semiconductor laser device having InGaAs compressive-strain active layer, GaAsP tensile-strain barrier layers, and InGaP optical waveguide layers | Toshiaki Fukunaga | 2003-05-06 |