Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11828996 | Optical fiber ribbon and optical fiber cable | Takashi Fujii, Fumiaki Sato | 2023-11-28 |
| 11820704 | Resin composition, secondary coating material for optical fiber, optical fiber, and method for producing optical fiber | Katsushi Hamakubo, Chiaki TOKUDA, Kazuya TOKUDA | 2023-11-21 |
| 11579358 | Optical fiber | Katsushi Hamakubo, Chiaki TOKUDA, Tatsuya Konishi | 2023-02-14 |