Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7130322 | Wavelength tunable laser and method of controlling the same | Kazumasa Takabayashi, Ken Morito | 2006-10-31 |
| 6847662 | Wavelength-selectable laser capable of high-speed frequency control | Martin Bouda, Ken Morito, Kazumasa Takabayashi, Tadao Nakazawa, Naoki Hashimoto +1 more | 2005-01-25 |
| 6376338 | Manufacturing method of a semiconductor device having a diffraction grating | Mitsuru Ekawa, Takuya Fujii, Manabu Matsuda | 2002-04-23 |
| 5358898 | Method of making a tunable laser diode having a distributed feedback structure | Shouichi Ogita, Manabu Matsuda | 1994-10-25 |
| 5255276 | Driver circuit of a tunable laser diode | Haruhiko Tabuchi, Shouichi Ogita | 1993-10-19 |
| 5170402 | Tunable laser diode having a distributed feedback structure | Shouichi Ogita, Manabu Matsuda | 1992-12-08 |