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Koyo Hasegawa

Canon Inc.

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Publication

Featured researches published by Koyo Hasegawa.

Archive | 1993

Magnetooptical recording reproducing apparatus and method for determining the power of an irradiating light beam on the basis of a detected amplitude of a recording signal

Yasuyuki Miyaoka; Koyo Hasegawa

Archive | 1994

Magnetic field generator in which an end face of a magnetic material member projects from man end face of magnetic field generating cores

Toru Matsuda; Fujihiro Ito; Yutaka Kusano; Kenji Makino; Koyo Hasegawa

Archive | 1994

Magneto-optical recording method using a magneto-optical recording medium having two or more magnetic layers to allow recording and reproduction to be effected simultaneously and magneto-optical recording medium used in the method

Tadashi Kobayashi; Koyo Hasegawa; Kazuoki Hongu; Masakuni Yamamoto

Archive | 1992

Method of recording information on a recording medium having at least two magnetic layers

Masakuni Yamamoto; Koyo Hasegawa; Yasuyuki Miyaoka; Yutaka Ogasawara; Makoto Hiramatsu; Susumu Matsumura

Archive | 1993

Magnetic head driving device and magnetooptical recording apparatus

Koyo Hasegawa; Makoto Hiramatsu; Kazuyoshi Ishii

Archive | 2014

Information processing method and system

Hideki Morishima; Kiyonobu Endo; Susumu Matsumura; Hiroaki Hoshi; Koyo Hasegawa; Masakuni Yamamoto; Eiji Yamaguchi; Ichiro Iida

Archive | 1992

Magnetic field generating device

Koyo Hasegawa; Shunpei Kimura

Archive | 1995

Image communication apparatus for communicating binary and multi-value color image data

Masakuni Yamamoto; Kiyonobu Endo; Susumu Matsumura; Hiroaki Hoshi; Koyo Hasegawa; Eiji Yamaguchi; Ichiro Iida; Hideki Morishima

Archive | 1990

Information reproducing apparatus for information recording medium having a plurality of information tracks

Koyo Hasegawa

Archive | 1994

Magneto-optical recording apparatus capable of both magnetic modulation and light modulation recording

Kazuyoshi Ishii; Koyo Hasegawa

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Masakuni Yamamoto

Canon Inc.

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Kazuyoshi Ishii

Canon Inc.

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Makoto Hiramatsu

Okayama University

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Hiroaki Hoshi

Canon Inc.

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Kiyonobu Endo

Canon Inc.

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Susumu Matsumura

Canon Inc.

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Yasuyuki Miyaoka

Canon Inc.

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Eiji Yamaguchi

Canon Inc.

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Hideki Morishima

Canon Inc.

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Ichiro Iida

Canon Inc.

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