Add-drop multiplexer with enhancement of accessibility to signals in different hierarchical levels and flexibility in various services and circuit setting operations

Assignee

• Fujitsu Limited

Inventors

• Masahiro Shinbashi (12 patents)
• Akihiko Oka (13 patents)
• Kazuo Takatsu (19 patents)
• Hideaki Mochizuki (36 patents)
• Junichi Ishiwatari (11 patents)
• Koji Iwamoto (53 patents)

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