Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398062 | Method for producing optical fiber base material, and optical fiber base material | Hirotaka Sakuma | 2025-08-26 |
| 12313490 | Bending-imparting device for measuring bending loss, and bending test device | Chonde Tei, Tomoko Terauchi, Tomoaki Hatanaka | 2025-05-27 |
| 12313491 | Optical fiber bending loss measuring method | Chonde Tei, Tomoaki Hatanaka, Tomoko Terauchi | 2025-05-27 |
| 12277563 | Self-service commodity sales data processing device and method thereof | Shinsuke Yajima, Hidehiro Naito, Masaki Ito, Takahiro Saitou, Atsushi Miyashima +2 more | 2025-04-15 |
| 12216309 | Optical fiber | Hirotaka Sakuma, Yoshiaki Tamura, Masato Suzuki | 2025-02-04 |