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Akiyasu Sumi

Canon Inc.

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Publication

Featured researches published by Akiyasu Sumi.

Archive | 1983

Photographic lens barrel assembly

Tohru Kawai; Akiyasu Sumi; Hidefumi Notagashira; Hiroshi Yamamoto

Archive | 1986

Motor built-in lens mounting

Akiyasu Sumi

Archive | 1978

Lens assembly coupling device for camera system

Shigeru Hashimoto; Taizo Mitani; Takashi Isobe; Masao Aoyagi; Akiyasu Sumi; Katsumi Tanaka

Archive | 1988

Motor-built-in photographic lens

Akiyasu Sumi

Archive | 1980

Mechanical mounting system for a zoom lens assembly

Akiyasu Sumi

Archive | 1979

Close-up copy photography apparatus

Yuichiro Konishi; Nozomu Kitagishi; Akiyasu Sumi

Archive | 1978

Mounting for interchangeable camera lens assembly with diaphragm means

Shigeru Hashimoto; Taizo Mitani; Takashi Isobe; Masao Aoyagi; Akiyasu Sumi; Katsumi Tanaka

Archive | 1984

Filter mounting mechanism for an optical assembly

Akiyasu Sumi; Tohru Kawai

Archive | 1981

Method of making a lens barrel assembly

Akiyasu Sumi

Archive | 1981

Mounting mechanism for the interchangeable lens assembly of a camera

Shigeru Hashimoto; Akiyasu Sumi

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Shigeru Hashimoto

Canon Inc.

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Katsumi Tanaka

Canon Inc.

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Masao Aoyagi

Canon Inc.

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Taizo Mitani

Canon Inc.

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Takashi Isobe

Canon Inc.

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Tohru Kawai

Canon Inc.

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Shohei Ohtaki

Canon Inc.

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Tokuichi Tsunekawa

Canon Inc.

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Kanagawa Yokohama

Canon Inc.

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Hidefumi Notagashira

Canon Inc.

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