Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7978949 | Optical fibers and optical transmission systems | — | 2011-07-12 |
| 7903919 | Holey fiber | — | 2011-03-08 |
| 7881579 | Optical transmission system and dispersion-compensating optical fiber | — | 2011-02-01 |
| 7805040 | Optical communication system | — | 2010-09-28 |
| 7693378 | Holey fiber and method of manufacturing the same | — | 2010-04-06 |
| 7693380 | Optical transmission line and optical transmission system | — | 2010-04-06 |
| 7668428 | Optical fiber and optical device | Ryo Miyabe | 2010-02-23 |
| 7505659 | Optical fiber and optical transmission line and optical communication system including such optical fiber | Naomi Kumano, Ryuichi Sugizaki, Takeshi Yagi | 2009-03-17 |
| 7085462 | Optical fiber, optical fiber module and optical amplifier | — | 2006-08-01 |
| 7085463 | Optical fiber and optical transmission line | Fumio Takahashi, Naomi Kumano, Satoru Ise | 2006-08-01 |
| 6983094 | Optical fiber and optical transmission system using such optical fiber | — | 2006-01-03 |
| 6959136 | Optical fiber and optical transmission line | — | 2005-10-25 |
| 6879762 | Optical transmission line and optical transmission system using optical transmission line | — | 2005-04-12 |
| 6879763 | Reverse dispersion optical fiber and optical transmission line using reverse dispersion optical fiber | — | 2005-04-12 |
| 6859599 | Optical fiber, and optical amplifier and transmission system including the optical fiber | — | 2005-02-22 |
| 6810186 | Optical transmission line | — | 2004-10-26 |
| 6795629 | Optical fiber and optical communication system using this optical fiber | Naomi Kumano | 2004-09-21 |
| 6724966 | Optical transmission line | — | 2004-04-20 |
| 6707971 | Dispersion management optical transmission system and optical transmission line | — | 2004-03-16 |
| 6701051 | Optical fiber transmission line | — | 2004-03-02 |
| 6640036 | Optical fiber and optical communication system using this optical fiber | Naomi Kumano | 2003-10-28 |
| 6606437 | Optical transmission line, negative dispersion optical fiber used for the optical transmission line, and optical transmission system comprising optical transmission line | Kunio Kokura | 2003-08-12 |
| 6600862 | Optical fiber and optical transmission line | — | 2003-07-29 |
| 6591048 | Dispersion compensating optical fiber and optical transmission line using the optical fiber | — | 2003-07-08 |
| 6574405 | Optical fiber and optical transmission line using this optical fiber | — | 2003-06-03 |