Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907757 | Drawing method of optical fiber and drawing furnace | Kazuya Kuwahara, Katsuya Nagayama, Ichiro Tsuchiya | 2005-06-21 |
| 6898361 | Dispersion-compensating optical fiber and optical transmission line | Eiji Yanada, Masaaki Hirano | 2005-05-24 |
| 6888669 | Raman amplifier | Toshiaki Okuno | 2005-05-03 |
| 6868213 | Optical fiber and production method therefor | Eisuke Sasaoka, Takemi Hasegawa, Shinji Ishikawa | 2005-03-15 |
| 6856738 | Optical fiber and optical transmission system | Takatoshi Kato, Shigeru Tanaka, Yuji Kubo | 2005-02-15 |