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Riki Okamoto

Nippon Steel

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Publication

Featured researches published by Riki Okamoto.

Archive | 1997

High-strength steel plate having high dynamic deformation resistance and method of manufacturing the same

Osamu Kawano; Yuzo Takahashi; Junichi Wakita; Hidesato Mabuchi; Manabu Takahashi; Akihiro Uenishi; Riki Okamoto; Yukihisa Kuriyama; Yasuharu Sakuma

Archive | 2011

High-strength cold-rolled steel sheet, and process for production thereof

Kohichi Sano; Chisato Wakabayashi; Hiroyuki Kawata; Riki Okamoto; Naoki Yoshinaga; Kaoru Kawasaki; Natsuko Sugiura; Nobuhiro Fujita

Archive | 2011

Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and processes for producing these

Nobuhiro Fujita; 藤田 展弘; Kunio Hayashi; 邦夫 林; Riki Okamoto; 力 岡本; Manabu Takahashi; 高橋 学; Tetsuo Kishimoto; 岸本 哲生; Hiroshi Yoshida; 吉田 博司

Archive | 2012

Hot-rolled steel sheet and method for producing same

Kohichi Sano; Kunio Hayashi; Kazuaki Nakano; Riki Okamoto; Nobuhiro Fujita

Archive | 1998

High-strength steel sheet highly resistant to dynamic deformation and excellent in workability and process for the production thereof

Osamu Kawano; Junichi Wakita; Yuzo Takahashi; Hidesato Mabuchi; Manabu Takahashi; Akihiro Uenishi; Yukihisa Kuriyama; Riki Okamoto; Yasuharu Sakuma

Archive | 2012

Cold-rolled steel sheet and method for producing same

Yuri Toda; Riki Okamoto; Nobuhiro Fujita; Kohichi Sano; Hiroshi Yoshida; Toshio Ogawa; Kunio Hayashi; Kazuaki Nakano

Archive | 2012

Hot-rolled steel sheet and process for producing same

Kohichi Sano; Kunio Hayashi; Kazuaki Nakano; Riki Okamoto; Nobuhiro Fujita

Archive | 2003

High-strength hot-rolled steel sheet excelling in bore expandability and ductility and process for producing the same

Riki Okamoto; Hirokazu Taniguchi; Masashi Fukuda

Archive | 2012

HIGH-STRENGTH COLD-ROLLED STEEL SHEET WITH HIGHLY EVEN STRETCHABILTY AND EXCELLENT HOLE EXPANSIBILITY, AND PROCESS FOR PRODUCING SAME

Yuri Toda; Riki Okamoto; Nobuhiro Fujita; Kohichi Sano; Hiroshi Yoshida; Toshio Ogawa

Archive | 2011

High-strength cold-rolled steel sheet and method of manufacturing thereof

Kohichi Sano; Chisato Wakabayashi; Hiroyuki Kawata; Riki Okamoto; Naoki Yoshinaga; Kaoru Kawasaki; Natsuko Sugiura; Nobuhiro Fujita

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Collaboration

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Nobuhiro Fujita

Nippon Steel

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Hirokazu Taniguchi

Nippon Steel

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Kazuaki Nakano

Nippon Steel

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Kohichi Sano

Nippon Steel

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Manabu Takahashi

Nippon Steel

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Kunio Hayashi

Nippon Steel

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Hiroshi Yoshida

Kawasaki Steel Corporation

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Takeshi Yamamoto

Nippon Steel

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Hiroshi Shuto

Nippon Steel

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Tatsuo Yokoi

Nippon Steel

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