Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352652 | Evaluation method and evaluation device for multi-core fiber | Takashi Matsui, Yuto SAGAE, Kazuhide NAKAJIMA | 2025-07-08 |
| 12203847 | Shape measurement system and shape measurement method | Kazuhide NAKAJIMA, Takashi Matsui, Hideaki Murayama, Ryota WADA, Makito Kobayashi | 2025-01-21 |
| 12174413 | Long period fiber grating and optical transmission system | Ryota IMADA, Yoko YAMASHITA, Takashi Matsui, Taiji SAKAMOTO, Noriyuki Araki +3 more | 2024-12-24 |
| 12085749 | Optical fiber evaluation device and optical fiber evaluation method | Takashi Matsui, Yuto SAGAE, Kazuhide NAKAJIMA | 2024-09-10 |
| 11860405 | Hole assisted optical fiber | Saki NOZOE, Yuto SAGAE, Kazuhide NAKAJIMA, Kyozo Tsujikawa | 2024-01-02 |
| 10816722 | Optical fiber design method | Takashi Matsui, Kyozo Tsujikawa, Fumihiko Yamamoto | 2020-10-27 |
| 10444428 | Optical fiber and optical transmission system | Takashi Matsui, Kyozo Tsujikawa, Fumihiko Yamamoto | 2019-10-15 |
| 10310177 | Photonic crystal fiber | Takashi Matsui, Kyozo Tsujikawa, Fumihiko Yamamoto | 2019-06-04 |