Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639923 | Semiconductor laser device for optical communication | Makoto Sato, Kenji Masuda, Akihiro Adachi, Yasunori Nishimura, Shinichi Takagi +1 more | 2003-10-28 |
| 6567437 | Wavelength monitoring device and its adjusting method, and wavelength stabilizing light source and transmission system having plural wavelength stabilizing light source | Yoshihito Hirano, Makoto Satou, Kenji Masuda, Takeshi Nakamura | 2003-05-20 |