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Ikuya Tsurukawa

Ricoh

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Publication

Featured researches published by Ikuya Tsurukawa.

Archive | 2000

DC motor rotation detecting apparatus and DC motor rotation control apparatus

Yoshimi Ohno; Ikuya Tsurukawa; Kenji Koyama

Archive | 2001

DC motor rotation control apparatus

Yoshimi Ohno; Ikuya Tsurukawa; Kenji Koyama

Archive | 1991

Focus state detection device

Yoshimi Ohno; Junichi Shinohara; Ikuya Tsurukawa

Archive | 1992

Zoom lens device of two-lens group structure and driving device of varifocal lens of two-lens group structure

Saburo Sasaki; Ikuya Tsurukawa; Hiroshi Terui; Takashi Hongo

Archive | 1992

Zoom lens apparatus of two-lens group structure

Saburo Sasaki; Ikuya Tsurukawa; Hiroshi Terui

Archive | 1987

Finder switching apparatus for camera

Ikuya Tsurukawa; Kohichi Nishi; Kunihisa Yamaguchi

Archive | 1988

Drive device for a varifocal lens system

Ikuya Tsurukawa; Kunihisa Yamaguchi; Kosaku Sawabe

Archive | 1984

Auto-focusing method

Yoshimi Ohno; Ikuya Tsurukawa

Archive | 1990

Apparatus for preventing static electricity of plastic lens

Ikuya Tsurukawa; Kosaku Sawabe

Archive | 2006

Lens barrel, camera, personal digital assistant system, and image input device

Ikuya Tsurukawa; 育也 鶴川

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Collaboration

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Junichi Shinohara

Ricoh

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Yoshimi Ohno

Ricoh

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Hiroshi Terui

Ricoh

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Kunihisa Yamaguchi

Ricoh

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Akemi Miyoshi

Ricoh

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Kenji Koyama

Ricoh

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Kosaku Sawabe

Ricoh

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Kouji Yokoyama

Ricoh

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Saburo Sasaki

Ricoh

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Kohichi Nishi

Ricoh

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