About OTSUKA HIROAKI
About 新日本製鉄 先端技研
About TANAHASHI HIROYUKI
About 新日本製鉄 鉄鋼研
About MARUYAMA TADAKATSU
About 淡路産業
About MURAKAMI MASATO
About 超電導工学研
About YAMADA HIROYUKI
About 日鉄技術情報セ
About shape memory alloy
About Neel point
About Other metallography
About 鉄
About 形状記憶合金
About 構造材
About 継手
About 開発