Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10155687 | Optical fiber preform | Yoshiaki Tamura, Tetsuya Haruna | 2018-12-18 |
| 10139558 | Optical fiber | Yoshinori Yamamoto, Masaaki Hirano | 2018-11-27 |
| 10045793 | Surgical treatment instrument | Yasuo Funakoshi | 2018-08-14 |
| 9977183 | Optical fiber and optical fiber transmission path | Yoshinori Yamamoto, Masaaki Hirano | 2018-05-22 |