Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806986 | Wavelength converter and wavelength converting apparatus | Osamu Tadanaga, Hiroshi Miyazawa, Yoshiki Nishida, Hiroyuki Suzuki | 2004-10-19 |
| 6763197 | Optical transmitter and optical transmitter control method using variable duty ratio setting and alternate phase inversion for optical clock pulses | Akira Hirano, Kazushige Yonenaga, Yutaka Miyamoto, Kenji Sato | 2004-07-13 |