Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11552714 | Signal separating apparatus and signal separating method | Takayuki Mizuno, Akira Isoda, Yutaka Miyamoto | 2023-01-10 |
| 11476635 | Optically amplified repeater system and optical amplifier | Takayuki Mizuno, Akira Isoda, Mitsunori Fukutoku, Yutaka Miyamoto | 2022-10-18 |
| 10985846 | Signal separating apparatus and signal separating method | Takayuki Mizuno, Akira Isoda, Yutaka Miyamoto | 2021-04-20 |
| 10536238 | Optical transmission system, optical transmission apparatus, and optical reception apparatus | Takayuki Mizuno, Hiroto Kawakami, Yutaka Miyamoto | 2020-01-14 |
| 9762982 | Multi-flow optical transceiver, multi-flow optical transponder and multi-flow optical node | Kazushige Yonenaga, Hidehiko Takara, Masahiko Jinno, Takashi Goh | 2017-09-12 |
| 9667350 | Optical receiving device and phase cycle reduction method | Kengo Horikoshi, Etsushi Yamazaki, Mitsuteru YOSHIDA, Koichi Ishihara, Takayuki Kobayashi +4 more | 2017-05-30 |
| 9326049 | Multi-flow optical transceiver, multi-flow optical transponder and multi-flow optical node | Kazushige Yonenaga, Hidehiko Takara, Masahiko Jinno, Takashi Goh | 2016-04-26 |