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Sadao Chigira

Toshiba

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Publication

Featured researches published by Sadao Chigira.

Archive | 1985

Very-low-temperature fiberscope

Eiji Fukushima; Minoru Tanaka; Kazuo Sanada; Sadao Chigira

Archive | 1990

DUAL CORE FIBER

Sadao Chigira; Kazuo Sanada; Toshiyuki Tanaka

Archive | 1986

Treatment of optical fiber

Sadao Chigira; Takeru Fukuda; Kazuo Sanada; Kouji Tsumanuma

Archive | 1993

Production of bundle type optical fiber end part

Sadao Chigira; Kazuo Sanada; Katsuyuki Seto; Tomoaki Toritani; Kouji Tsumanuma; 定雄 千吉良; 孝司 妻沼; 克之 瀬戸; 和夫 真田; 智晶 鳥谷

Archive | 1993

Branch type optical fiber bundle

Sadao Chigira; Keiji Kaneda; Kazuo Sanada; Katsuyuki Seto; Naoki Shamoto; Kouji Tsumanuma; 定雄 千吉良; 孝司 妻沼; 克之 瀬戸; 和夫 真田; 尚樹 社本; 恵司 金田

Archive | 1991

Production of silica glass with high hydroxyl group concentration and silica glass with high hydroxyl group concentration obtained thereby

Sadao Chigira; Keiji Kaneda; Kazuo Sanada

Archive | 1976

Production of parent material for optical communication

Sadao Chigira; Hideaki Goshima; Tatsuo Izawa; Yutaka Osanai; Kazuo Sanada

Archive | 1995

Verfahren zur Herstellung von unsichtbarer Markierung und Verfahren zur Erfassung von unsichtbarer Markierung

Tsutomu Maruyama; Atsushi Akiyama; Kazuo Sanada; Sadao Chigira; Masanobu Hidaka

Archive | 1988

Specimen-cell observing apparatus for spectrophotometer

Sadao Chigira; Kiyoto Ishii; Takao Ouchi; Kazuo Sanada; Tsugio Sonobe

Archive | 1995

Verfahren zur Herstellung von unsichtbarer Markierung und Verfahren zur Erfassung von unsichtbarer Markierung A process for producing marking invisible and method for detecting invisible marking

Tsutomu Maruyama; Atsushi Akiyama; Kazuo Sanada; Sadao Chigira; Masanobu Hidaka

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Kazuo Sanada

Fujikura

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Tsugio Sonobe

Fujikura

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Atsushi Akiyama

Kansai Paint

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Katsuyuki Seto

Fujikura

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Keiji Kaneda

Ministry of Posts and Telecommunications

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Kiyonori Ishii

Fujikura

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Masanobu Hidaka

Kansai Paint

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Osamu Fukuda

Fujikura

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Shotaro Hayashi

Fujikura

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Takashi Tsumanuma

Fujikura

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