Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795232 | Wavelength converter | Kazuo Fujiura, Shogo Yagi, Tadayuki Imai, Koji Enbutsu, Takashi Kurihara +3 more | 2004-09-21 |
| 6792189 | Optical waveguide and method of manufacture | Kazuo Fujiura, Koji Enbutsu, Tadayuki Imai, Shogo Yagi, Takashi Kurihara +3 more | 2004-09-14 |