Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980705 | Optical waveguide device | Hirotoshi Nagata, Toshihiro Sakamoto | 2005-12-27 |
| 6956980 | Optical waveguide type optical modulator and production method therefor | Hirotoshi Nagata, Futoshi Yamamoto, Takashi Shinriki, Ryo Shimizu | 2005-10-18 |