Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820704 | Resin composition, secondary coating material for optical fiber, optical fiber, and method for producing optical fiber | Katsushi Hamakubo, Noriaki IWAGUCHI, Kazuya TOKUDA | 2023-11-21 |
| 11579358 | Optical fiber | Katsushi Hamakubo, Noriaki IWAGUCHI, Tatsuya Konishi | 2023-02-14 |