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Dive into the research topics where Kazuhisa Okai is active.

Publication


Featured researches published by Kazuhisa Okai.


Archive | 2003

Surface-treated steel sheet excellent in resistance to white rust and method for production thereof

Kazuhisa Okai; Akira Matsuzaki; Naoto Yoshimi; Takahiro Kubota; Masaaki Yamashita; Hisato Noro; Haruo Nakamichi; Kaoru Sato; Hiroyasu Matsuki; Reijiro Nishida; Masahiro Murata; Shoichi Tanaka; Yoshikazu Morohoshi; Shingo Amaki


Archive | 2001

SURFACE TREATED STEEL SHEET HAVING EXCELLENT WHITE RUST RESISTANCE

Tatsu Hasegawa; Takahiro Kubota; Akira Matsuzaki; Kazuhisa Okai; Ryosuke Sako; Keiichi Ueno; Masaaki Yamashita; Naoto Yoshimi; 圭一 上野; 直人 吉見; 正明 山下; 和久 岡井; 晃 松崎; 隆広 窪田; 良輔 迫; 竜 長谷川


Archive | 2004

Surface treated steel plate excellent in corrosion resitance electroconductivity and appearance of coating film

Takeshi Matsuda; Akira Matsuzaki; Kazuhisa Okai


Archive | 2003

SURFACE-TREATED STEEL PLATE OF EXCELLENT CORROSION RESISTANCE, CONDUCTIVITY AND FILM APPEARANCE

Akira Matsuzaki; Kazuhisa Okai; Takafumi Yamaji; Masaaki Yamashita; Keiji Yoshida; 啓二 吉田; 正明 山下; 隆文 山地; 和久 岡井; 晃 松崎


Archive | 2003

Chromium-free chemically treated steel sheet excellent in resistance to white rust

Satoshi Ando; Takeshi Matsuda; Akira Matsuzaki; Kazuhisa Okai; Shinji Otsuka; Yoshiharu Sugimoto; Masaaki Yamashita; Naoto Yoshimi; 直人 吉見; 真司 大塚; 聡 安藤; 正明 山下; 和久 岡井; 芳春 杉本; 晃 松崎; 武士 松田


Archive | 2002

SURFACE-TREATED STEEL SHEET SHOWING EXCELLENT PRESS-MOLDABILITY AND CORROSION RESISTANCE AND ITS MANUFACTURING PROCESS

Akira Kawada; Takahiro Kubota; Akira Matsuzaki; Tatsuya Miyoshi; Kazuhisa Okai; Yuichiro Tanaka; Masaaki Yamashita; Naoto Yoshimi; 三好 達也; 吉見 直人; 山下 正明; 岡井 和久; 松崎 晃; 河田 章; 田中 勇一郎; 窪田 隆広


Archive | 2004

Surface-treated steel sheet and method for producing same

Takafumi Yamaji; Akira Matsuzaki; Kazuhisa Okai; Keiji Yoshida; Masaaki Yamashita; Yuichi Fukeshima; Toshiyuki Okuma


Archive | 2004

Highly corrosion-resistant surface-treated steel sheet and method for producing same

Tatsuya Miyoshi; Kenichi Sasaki; Naoto Yoshimi; Akira Matsuzaki; Kazuhisa Okai; Takao Ooshima; Takashi Nakano; Masahiro Murata; Syoichi Tanaka


Archive | 2009

Surface-treated zinc-coated steel sheet excellent in planar -part corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming

Kazuhisa Okai; Rie Umebayashi; Etsuo Hamada; Akira Matsuzaki; Satoru Ando


Archive | 2007

Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming and aqueous surface-treatment liquid for galvanized steel sheet

Kazuhisa Okai; Rie Umebayashi; Etsuo Hamada; Akira Matsuzaki; Satoru Ando

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Keiji Yoshida

Sumitomo Metal Industries

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Satoru Ando

Suzuki Motor Corporation

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