Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811728 | Multi-layered holographic read-only memory and data retrieval method | Shougo Yagi, Michio Ono, Hiroki Yamazaki, Haruki Kozawaguchi | 2004-11-02 |
| 6795232 | Wavelength converter | Kazuo Fujiura, Shogo Yagi, Koji Enbutsu, Masahiro Sasaura, Takashi Kurihara +3 more | 2004-09-21 |
| 6792189 | Optical waveguide and method of manufacture | Masahiro Sasaura, Kazuo Fujiura, Koji Enbutsu, Shogo Yagi, Takashi Kurihara +3 more | 2004-09-14 |