Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8503882 | Optical receiver and control apparatus | Miki Onaka | 2013-08-06 |
| 6839160 | Method of activating optical communication system, channel increasing/decreasing method, and computer-readable recording medium | Takashi Tsuda, Kazuo Yamane, Makoto Murakami, Tooru Shima, Tooru Matsumoto +1 more | 2005-01-04 |
| 5847856 | Optical power monitor device, optical amplifier, and optical transmitter | Tsukasa Takahashi | 1998-12-08 |