Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872966 | Optical semiconductor device | Haruhisa Soda, Shigeaki Sekiguchi | 2005-03-29 |
| 6862124 | Semiconductor optical modulator, mach-zehnder optical modulator employing the same, and method of manufacturing semiconductor optical modulator | Haruhisa Soda | 2005-03-01 |