Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821030 | Optical coupling apparatus | Kazuyuki Fukuda, Hideyuki Kuwano, Yoshiaki Niwa | 2004-11-23 |
| 6813102 | Optical module with a monitor photo diode | Hiroaki Furuichi, Kazumi Kawamoto | 2004-11-02 |
| 6813419 | Optical transmission module and optical communication system using the same | Kazumi Kawamoto, Hideo Sotokawa | 2004-11-02 |