Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10723650 | Optical fiber preform | Yoshiaki Tamura, Hirotaka Sakuma | 2020-07-28 |
| 10656329 | Optical fiber | Hirotaka Sakuma, Yoshiaki Tamura, Yuki Kawaguchi | 2020-05-19 |
| 10550030 | Optical fiber | Hirotaka Sakuma, Yoshiaki Tamura | 2020-02-04 |