Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826211 | Diode laser controling module and applied equipment thereof | Kimio Tatsuno, Katsumi Kuroguchi, Atsuhiro Yamamoto, Norio Nakazato | 2004-11-30 |
| 6813102 | Optical module with a monitor photo diode | Kazumi Kawamoto, Naoki Matsushima | 2004-11-02 |
| 6805496 | Optical communication module, manufacturing method thereof and wavelength selective filter | Kazumi Kawamoto, Katsumi Kuroguchi, Keiichi Yamada, Shintarou Sakamoto | 2004-10-19 |