Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975813 | Light output control device | Tadashi Ikeuchi, Hiroyuki Rokugawa, Masaaki Kawai, Norio Ueno, Norio Murakami +3 more | 2005-12-13 |
| 6847772 | Planar optical waveguide device | Goji Nakagawa, Koji Suzuki | 2005-01-25 |