Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819847 | Optical fiber and optical transmission path | Kuniharu Himeno, Koichi Harada | 2004-11-16 |
| 6813430 | Dispersion-compensating optical fiber and hybrid transmission line | Kazuhiko Aikawa, Manabu Saitou, Takaaki Suzuki, Takashi Suzuki, Koichi Harada +1 more | 2004-11-02 |
| 6785453 | Dispersion shifted optical fiber | Shoji Tanigawa | 2004-08-31 |
| 6694079 | Disperson-shifted optical fiber employing dual shape core profile | Hiroshi Kutami, Shoji Tanigawa | 2004-02-17 |