Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871648 | Optical fiber design method | Takashi Matsui, Kazuhide NAKAJIMA, Kyozo Tsujikawa | 2020-12-22 |
| 10816722 | Optical fiber design method | Takashi Matsui, Kyozo Tsujikawa, Nobutomo HANZAWA | 2020-10-27 |
| 10545333 | Photonic crystal fiber and high-power light transmission system | Takashi Matsui, Kazuhide NAKAJIMA, Kyozo Tsujikawa | 2020-01-28 |
| 10539784 | Photonic crystal fiber and high-power light transmission system | Takashi Matsui, Kazuhide NAKAJIMA, Kyozo Tsujikawa | 2020-01-21 |