Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9817184 | Optical fiber | Tetsuya Haruna, Masaaki Hirano, Hirotaka Sakuma | 2017-11-14 |
| 9588286 | Optical fiber | Tetsuya Haruna, Masaaki Hirano, Nobuhiro Hikichi | 2017-03-07 |
| 9575245 | Optical fiber | Tetsuya Haruna, Yoshihiro Saito, Yuki Kawaguchi, Masaaki Hirano | 2017-02-21 |