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Dive into the research topics where Hirofumi Okada is active.

Publication


Featured researches published by Hirofumi Okada.


Archive | 2002

Security system and portable unit for security system

Hirofumi Okada; 裕文 岡田


Archive | 1997

Refinement of copper alloy

Yoji Miyagawa; Yoshiaki Narushige; Kazuhiro Oe; Hirofumi Okada; Kenji Osumi; Shigenobu Yasunaga; Eiji Yoshida; 栄次 吉田; 和宏 大江; 研治 大隅; 繁信 安永; 洋二 宮川; 裕文 岡田; 芳昭 成重


Archive | 1995

Apparatus for determining emergency conditions of a vehicle

Shigekazu Yasuda; Hirofumi Okada


Archive | 1998

MOTOR FOR POWER WIND APPARATUS

Hirofumi Okada; Koichi Ono; 浩一 大野; 裕文 岡田


Archive | 1993

Method for cleaning copper or copper alloy

Motohiro Arai; Joji Masuda; Kiyomasa Oga; Hirofumi Okada; Kenji Osumi; Eiji Yoshida; 栄次 吉田; 清正 大賀; 研治 大隅; 裕文 岡田; 基浩 新井; 穣司 益田


Archive | 2007

POWER SUPPLY SWITCHING DEVICE

Motohisa Araki; Hirofumi Okada; 裕文 岡田; 幹久 荒木


Archive | 1995

Drive controlling device for motor

Katsuhide Kumagai; Hirofumi Okada; Kanichi Tanaka; 裕文 岡田; 勝秀 熊谷; 寛一 田中


Archive | 1992

Emergency deciding device of vehicle

Hirofumi Okada; Shigekazu Yasuda; 重和 安田; 裕文 岡田


Archive | 2007

ENGINE STARTING/STOPPING SWITCH DEVICE

Hirofumi Okada; 裕文 岡田


Archive | 1993

Foerfarande Foer purifying raomaterial Foer of copper eller kopparlegering

Takashi Nakamura; Kenji Osumi; Kiyomasa Oga; Motohiro Arai; Ryukichi Ikeda; Eiji Yoshida; Hirofumi Okada; Ryusuke Hamanaka

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Shigekazu Yasuda

National Institute of Water and Atmospheric Research

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