Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870618 | Wavelength characteristic measuring device and method using light having wavelength thereof continuously changed | Takashi Sugimoto | 2005-03-22 |
| 6069697 | Optical transmission characteristic measuring apparatus and calibration method using the same | Takao Tanimoto, Hiroaki Endo, Muneo Ishiwata, Yasuaki Nagashima | 2000-05-30 |
| 5579327 | External-cavity tunable wavelength light source using semiconductor laser having phase adjustment area | Hiroaki Endoh, Hiroshi Goto, Ko Ikeuchi, Akihiko ASAI | 1996-11-26 |