Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6895140 | Single-mode optical fiber and composite optical line | Kuniharu Himeno, Koichi Harada | 2005-05-17 |
| 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 |
| 6647190 | Optical fiber having improved hydrogen resistance | Tomio Abiru, Koichi Harada | 2003-11-11 |
| 6587627 | Dispersion-compensating fiber, and dispersion-compensating module and hybrid optical fiber link using the same | Manabu Saitou | 2003-07-01 |
| 6546177 | Dispersion shifted optical fiber | Shoji Tanigawa, Tomio Abiru | 2003-04-08 |
| 6535678 | Multimode optical fiber with a higher order mode removing function | Ryozo Yamauchi, Tomio Abiru, Koichi Takahashi | 2003-03-18 |
| 6091873 | Dispersion shifted optical fiber | Masahiro Horikoshi | 2000-07-18 |