Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783282 | Optical wavelength filter | Tadao Nakazawa, Masaharu Doi | 2004-08-31 |
| 6785306 | Wavelength-tunable stabilizer laser | Yutaka Kai | 2004-08-31 |
| 6782017 | Wavelength locker and wavelength discriminating apparatus | Yutaka Kai, Hiroshi Onaka | 2004-08-24 |