Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973238 | Optical switch and optical communication system | Shigeru Nakagawa | 2005-12-06 |
| 6924918 | Optical modulator and method of manufacturing the same | Fumio Otake | 2005-08-02 |
| 6906308 | Semiconductor light receiving device in which optical and electric signal are propagated at matched velocities | Nami Yasuoka | 2005-06-14 |
| 6872966 | Optical semiconductor device | Suguru Akiyama, Shigeaki Sekiguchi | 2005-03-29 |
| 6862124 | Semiconductor optical modulator, mach-zehnder optical modulator employing the same, and method of manufacturing semiconductor optical modulator | Suguru Akiyama | 2005-03-01 |