Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771904 | Optical transmission system and optical channel available quality measuring method | Akira Sasaki, Hirokazu Ishimatsu, Naomi Oohashi, Katsuhiro Ishimura | 2004-08-03 |
| 6400497 | Optical fiber amplifier | Mikiya Suzuki, Yukihiro Ozeki, Shusei Aoki | 2002-06-04 |
| 6344924 | Optical fiber amplifier and output power flattening method of optical fiber amplifier | Mikiya Suzuki | 2002-02-05 |
| 6313938 | Planar lightwave circuit module and optical fiber amplifying device | Akira Sasaki | 2001-11-06 |
| 6313941 | Optical component, optical amplifier and method of controlling optical amplifier characteristic | Mikiya Suzuki | 2001-11-06 |
| 6236500 | Optical amplifier | Mikiya Suzuki, Toshio Nakamura, Akira Sasaki | 2001-05-22 |