Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8909016 | Optical fiber and method of manufacturing optical fiber | Tetsuya Nakanishi, Masaaki Hirano, Tetsuya Haruna | 2014-12-09 |
| 7600927 | Optical splicer, optical module, and method of producing optical splicer | Kazuhito Saito, Mitsuaki Tamura, Hiroshi Kohda, Eiichiro Yamada | 2009-10-13 |
| 6850674 | Optical device | Akira Haraguchi, Takeo Komiya, Takashi Sasaki, Yasushi Fujimura | 2005-02-01 |
| 5867618 | Optical fiber grating and method of manufacturing the same | Masumi Ito, Tadashi Enomoto | 1999-02-02 |