Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045860 | Optical transceiver | Takahiro Fujimoto | 2011-10-25 |
| 7474818 | Optical switch and method of using the same | Hideto Momose, Yuichi Sawai, Takashi Naito | 2009-01-06 |
| 7421211 | Light source device | Akihiko Hayashi, Hirokazu Osada | 2008-09-02 |