Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6898345 | Optical multiplexer and method for its production | Katsunari Okamoto | 2005-05-24 |
| 6842560 | Optical multiplexing circuit and optical multiplexer | Yoshiki Yamauchi, Kouichi Fujisaki, Takashi Asaoka, Yoshihisa Sakai | 2005-01-11 |