Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12401423 | Optical network, network management device, and network management method | — | 2025-08-26 |
| 12308599 | Optical amplifier, optical amplifier equalizing method, and transmission system | Keiichi Matsumoto, Emmanuel Le Taillandier De Gabory | 2025-05-20 |
| 12095502 | Communication device, communication controlling method, non-transitory computer-readable medium, and optical communication system | Yohei Hasegawa, Hidemi Noguchi | 2024-09-17 |
| 11881675 | Optical amplification device, optical transmission system, and optical amplification method | Hitoshi Takeshita, Keiichi Matsumoto | 2024-01-23 |
| 11870208 | Optical fiber amplifier, optical fiber amplifier control method, and transmission system | Keiichi Matsumoto, Emmanuel Le Taillandier De Gabory | 2024-01-09 |
| 11824320 | Optical amplifier, and control method therefor | Emmanuel Le Taillandier De Gabory | 2023-11-21 |
| 11695630 | Control device, control system, network system, control method, and computer-readable medium | Akio Tajima, Kiyo Ishii, Syu Namiki | 2023-07-04 |
| 11671196 | Optical network management device, optical network system, optical network management method, and optical network management program | — | 2023-06-06 |
| 11398711 | Multicore optical fiber amplifier and optical amplification method using multicore optical fiber amplification medium | Shigeru Nakamura, Emmanuel Le Taillandier De Gabory | 2022-07-26 |
| 11374377 | Optical amplifying apparatus and method of amplifying optical signal | Emmanuel Le Taillandier De Gabory, Shigeru Nakamura, Keiichi Matsumoto | 2022-06-28 |
| 11329444 | Optical amplifier and control method therefor | Emmanuel Le Taillandier De Gabory, Shigeru Nakamura, Keiichi Matsumoto | 2022-05-10 |
| 11212027 | Optical path setting device, optical communication system, and optical path setting method | Shinsuke Fujisawa, Hitoshi Takeshita, Emmanuel Le Taillandier De Gabory | 2021-12-28 |
| 11115117 | Submarine optical communication control device, control method, and non-transitory computer-readable medium | Shinsuke Fujisawa, Hitoshi Takeshita, Emmanuel Le Taillandier De Gabory | 2021-09-07 |
| 8352655 | Packet communication device which selects an appropriate operation mode | Jun Suzuki, Youichi Hidaka, Junichi Higuchi, Takashi Yoshikawa | 2013-01-08 |
| 8172467 | Optical backplane connector, photoelectric conversion module and optical backplane | Junichi Sasaki, Kazuhiko Kurata, Takashi Yoshikawa | 2012-05-08 |
| 7873056 | Switch device, switching method and switch control program | Junichi Higuchi, Takashi Yoshikawa, Youichi Hidaka | 2011-01-18 |
| 5710497 | Positioning control device and head positioning control device | — | 1998-01-20 |