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Communication device and communication system |
Hidenori Takahashi, Daiki SOMA, Shohei Beppu, Noboru Yoshikane |
2024-04-23 |
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Reception apparatus and non-transitory computer readable medium |
Shohei Beppu, Koji Igarashi, Masahiro Shigihara, Masahiro Kikuta |
2023-06-27 |
| 11245468 |
Measurement apparatus of optical communication system |
Hidenori Taga, Hidenori Takahashi |
2022-02-08 |
| 8254782 |
Optical signal quality monitoring apparatus |
Jun Haeng Lee, Tomohiro Otani |
2012-08-28 |
| 7903969 |
Link connectivity verification method |
Noboru Yoshikane, Tomohiro Otani |
2011-03-08 |
| 7747167 |
Wavelength service providing apparatus in all-optical network |
Tomohiro Otani |
2010-06-29 |
| 7480458 |
Link system for photonic cross connect and transmission apparatus |
Tomohiro Otani |
2009-01-20 |
| 6768872 |
Optical transmission system, optical transmission line and optical transmitter |
Keiji Tanaka, Noboru Edagawa, Masatoshi Suzuki |
2004-07-27 |
| 6754420 |
Optical fiber transmission line |
Keiji Tanaka, Noboru Edagawa, Masatoshi Suzuki |
2004-06-22 |
| 6744989 |
Optical transmission system, its method, and optical amplification transmission line |
Yuichi Yamada, Noboru Edagawa, Masatoshi Suzuki |
2004-06-01 |
| 6640026 |
Optical multiplexer and demultiplexer |
Masatoshi Suzuki |
2003-10-28 |
| 6594428 |
Dispersion compensating optical transmission line and system |
Keiji Tanaka, Noboru Edagawa, Masatoshi Suzuki |
2003-07-15 |