Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379561 | Method for laying optical fiber cable | Fumiaki Sato, Toyoaki KIMURA | 2025-08-05 |
| 12313894 | Optical fiber cable and optical fiber unit | Fumiaki Sato, Yohei Suzuki | 2025-05-27 |