Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352652 | Evaluation method and evaluation device for multi-core fiber | Nobutomo HANZAWA, Takashi Matsui, Kazuhide NAKAJIMA | 2025-07-08 |
| 12189178 | Optical fiber | Takashi Matsui, Kazuhide NAKAJIMA | 2025-01-07 |