Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11196227 | Optical amplifier | Masaki Wada, Shinichi Aozasa, Taiji SAKAMOTO, Takashi Yamamoto, Kazuhide NAKAJIMA | 2021-12-07 |
| 11156767 | Optical fiber and optical transmission system | Azusa Urushibara, Taiji SAKAMOTO, Masaki Wada, Takashi Yamamoto, Kazuhide NAKAJIMA | 2021-10-26 |