Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11196485 | Network system, management device, and network design method | Kosuke Komaki | 2021-12-07 |
| 10715363 | Optical communication apparatus, server apparatus, and optical transport system | Naoya Okada, Kosuke Komaki | 2020-07-14 |
| 10707963 | Network design apparatus, network design method, and storage medium | — | 2020-07-07 |
| 10541757 | Receiving apparatus and setting method | — | 2020-01-21 |
| 9825731 | Optical transmission system, optical transmission apparatus, and optical transmission method | Yohei Koganei, Ichiro Nakajima | 2017-11-21 |
| 9419741 | Optical transmission system, management device, and signal adjustment method | Takuya Miyashita | 2016-08-16 |
| 8891961 | Optical communication device, wavelength number measurement device, optical repeater, and wavelength number measurement method | Takashi Toyomaki, Takuya Miyashita | 2014-11-18 |
| 8611446 | Communication system using initial likelihood information for performing maximum likelihood sequence estimation (MLSE) | Motoyoshi Sekiya, Takuya Miyashita, Rikiya Watanabe | 2013-12-17 |
| 7970286 | Optical transmission device | — | 2011-06-28 |
| 7619813 | Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication system | Satoru Okano, Takehiro Fujita | 2009-11-17 |
| 7509055 | Optical transmission system with automatic signal level adjustment and startup functions | Hiroaki Tomofuji, Takuji Maeda, Hideki Kobayashi, Tatsuo Nagayoshi, Tetsuo Wada | 2009-03-24 |
| 7343102 | Optical transmission system with automatic signal level adjustment and startup functions | Hiroaki Tomofuji, Takuji Maeda, Hideki Kobayashi, Tatsuo Nagayoshi, Tetsuo Wada | 2008-03-11 |
| 7248804 | Optical transmission device using a wide input dynamic range optical amplifier | Takehiro Fujita, Motoyoshi Sekiya | 2007-07-24 |
| 6760150 | Optical transmitting apparatus and an optical transmitting system | Ryosuke Goto, Kazuo Yamane | 2004-07-06 |