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Eiji Kumagai

Sony Broadcast & Professional Research Laboratories

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Publication

Featured researches published by Eiji Kumagai.

Archive | 1998

Optical disc device and optical disc discriminating method

Eiji Kumagai; Kenji Nagashima; Futoshi Tsukada

Archive | 2001

Disk recording medium and disk drive apparatus

Eiji Kumagai; Yukio Shishido; Michihiko Iida

Archive | 1998

Disc reproduction apparatus

Kunihiko Miyake; Yukio Shishido; Hiroyuki Ito; Eiji Kumagai

Archive | 2000

Optical disc reproduction method and optical disc reproduction apparatus

Eiji Kumagai

Archive | 2001

Disc drive apparatus and method for generating wobble information

Eiji Kumagai

Archive | 2013

Electric power supplying apparatus, electric power supplying method, inverter, and electric vehicle

Naoyuki Sugeno; Noritoshi Imamura; Eiji Kumagai; Koji Umetsu; Atsushi Minami; Masayuki Yasuda

Archive | 2001

Optical recording apparatus, and a method for controlling laser power therein

Kenji Nagashima; Eiji Kumagai; Satoshi Kumai; Toshio Morizumi

Archive | 1997

Optical disk reproducing apparatus having a cosine equalizer with boosted frequency characteristics

Eiji Kumagai

Archive | 1998

Optical disk device and method for discriminating optical disk

Eiji Kumagai; Kenji Nagashima; Futoshi Tsukada

Archive | 2001

Optical drive apparatus for use with different recording media, tracking control method for use therein, and optical disc

Eiji Kumagai; Kenji Nagashima; Toshio Morizumi

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