Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8789393 | Optical fiber preform, method of manufacturing optical fiber preform, and method of manufacturing optical fiber | Nobuaki Orita, Akihiro Kanao | 2014-07-29 |
| 8020411 | Method of manufacturing single mode optical fiber | Kazuhiko Kurusu, Yoshihiro Inoue | 2011-09-20 |
| 7164831 | Optical fiber, evaluation and fabrication method thereof | Kazuhiko Kurusu, Yoshinori Ishida | 2007-01-16 |
| 7142755 | Optical fiber and evaluation method thereof | Kazuhiko Kurusu, Masahide Kuwabara, Yoshinori Ishida | 2006-11-28 |
| 7079736 | Optical fiber for WDM system and manufacturing method thereof | Fumio Takahashi, Masahide Kuwabara, Yoshinori Ishida, Satoru Ise | 2006-07-18 |
| 6954572 | Single mode optical fiber, method of manufacturing the same, and apparatus for manufacturing the same | Kazuhiko Kurusu, Yoshihiro Inoue | 2005-10-11 |
| 6944381 | Optical fiber and evaluation method thereof | Kazuhiko Kurusu, Masahide Kuwabara, Yoshinori Ishida | 2005-09-13 |
| 6901196 | Optical fiber having a lower bending loss | Fumio Takahashi, Taeko Shibuta | 2005-05-31 |
| 6754421 | Optical fiber and optical transmission line using the optical fiber | Iwao Shimotakahara, Junichi Tamura | 2004-06-22 |
| 6522819 | Optical fiber and optical transmission line using the optical fiber | Iwao Shimotakahara, Junichi Tamura | 2003-02-18 |