Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523830 | Optical module and transmitting device | Yasunobu Matsuoka | 2016-12-20 |
| 8350301 | Semiconductor photodiode device and manufacturing method thereof | Makoto Miura, Shinichi Saito, Katsuya Oda | 2013-01-08 |
| 8294213 | Semiconductor photodiode device and manufacturing method thereof | Makoto Miura, Shinichi Saito, Katsuya Oda | 2012-10-23 |
| 6931189 | Optical waveguides and optical devices with optical waveguides | Kazuhiko Hosomi, Toshio Katsuyama, Tatsuya Tomaru | 2005-08-16 |
| 6400864 | Broad band semiconductor optical amplifier module having optical amplifiers for amplifying demutiplexed signals of different wavelengths and optical communication system using it | — | 2002-06-04 |