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Hiroaki Tomofuji

Fujitsu

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Publication

Featured researches published by Hiroaki Tomofuji.

Archive | 1995

Optical transmission system, optical multiplexing transmission system, and related peripheral techniques

George Ishikawa; Hiroshi Nishimoto; Hiroki Ooi; Motoyoshi Sekiya; Hiroaki Tomofuji

Archive | 1993

Supervisory and control signal transmitting system for use in optically amplifying repeaters system

Hiroaki Tomofuji; Akihiko Sugata; Hiroshi Nishimoto

Archive | 1995

Light transmission system, light multiplex transmission system and its peripheral technology

Joji Ishikawa; Hiroshi Nishimoto; Hiromi Ooi; Motoyoshi Sekiya; Hiroaki Tomofuji; 博朗 友藤; 寛己 大井; 丈二 石川; 央 西本; 元義 関屋

Archive | 1997

Drift compensating circuit for optical modulators in an optical system

George Ishikawa; Hiroshi Nishimoto; Hiroki Ooi; Motoyoshi Sekiya; Hiroaki Tomofuji

Archive | 1997

Optical transmission system with transmission characteristic measuring device

George Ishikawa; Hiroshi Nishimoto; Hiroki Ooi; Motoyoshi Sekiya; Hiroaki Tomofuji

Archive | 2002

Multiplex optical communication system

Hiroaki Tomofuji

Archive | 2000

Optical amplifying apparatus, complex optical amplifying apparatus, and optical communication system

Motoyoshi Sekiya; Hiroaki Tomofuji

Archive | 2008

Optical transmission system with automatic signal level adjustment and startup functions

Hiroaki Tomofuji; Takuji Maeda; Taizo Maeda; Hideki Kobayashi; Tatsuo Nagayoshi; Tetsuo Wada

Archive | 2000

Method and apparatus for measuring optical signal-to-noise ratio, and pre-emphasis method and optical communication system each utilizing the method

Takafumi Terahara; Takeshi Sakamoto; Hiroaki Tomofuji; Motoyoshi Sekiya; Makoto Murakami; Kazuo Yamane; Hiroshi Onaka

Archive | 2003

Wavelength division multiplexing optical communication system

Hiroaki Tomofuji; Hiroshi Onaka; Terumi Chikama

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Motoyoshi Sekiya

Fujitsu

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Hiroshi Nishimoto

Fujitsu

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Hiroshi Onaka

Fujitsu

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Takeshi Sakamoto

Fujitsu

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George Ishikawa

Fujitsu

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Hiroki Ooi

Fujitsu

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Takuji Maeda

Fujitsu

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Makoto Murakami

Fujitsu

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Yuji Shimada

Fujitsu

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Ichiro Nakajima

Fujitsu

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