Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10155687 | Optical fiber preform | Yoshiaki Tamura, Yuki Kawaguchi | 2018-12-18 |
| 10031285 | Multicore optical fiber | Tetsuya Nakanishi, Tetsuya Hayashi, Takashi Sasaki, Yoshiaki Tamura | 2018-07-24 |
| 9932265 | Method of making an optical fiber containing an alkali metal in the core | Masaaki Hirano, Yoshiaki Tamura, Tetsuya Nakanishi | 2018-04-03 |
| 9910216 | Optical fiber | Yoshiaki Tamura, Yoshihiro Tukuda | 2018-03-06 |