"Yoshitaka Okitsu,Naoki Takata,Nobuhiro Tsuji","A New Route to Fabricate Ultrafine-Grained Structures in Carbon Steels without Severe Plastic Deformation",,"Scripta Materialia","Elsevier Ltd.","Vol. 60",,"pp. 76-79",2009,Jan.
"Naoki Takata,Yoshitaka Okitsu,Nobuhiro Tsuji","Dynamic deformation behavior of ultrafine grained aluminum produced by ARB and subsequent annealing",,"Journal of  Material Science","Springer Science+Business Media, LLC","Vol. 43",,"pp. 7385?7390",2008,Dec.
"Yoshitaka Okitsu,Naoki Takata,Nobuhiro Tsuji","Mechanical properties of ultrafine grained ferritic steel sheets fabricated by rolling and annealing of duplex microstructure",,"Journal of Material Science","Springer Science+Business Media, LLC","Vol. 43",,"pp. 7391?7396",2008,Dec.
"Yoshitaka Okitsu,Naoki Takata,Nobuhiro Tsuji","Ultrafine Grained Multi-Phase Steel with High Strength and High Ductility Fabricated by Rolling and Annealing of Duplex Microstructure","The International Symposium on Giant straining Process for Advanced Materials (GSAM 2008)","Abstract of The International Symposium on Giant straining Process for Advanced Materials (GSAM 2008)",,,,,2008,Nov.
"興津貴隆,高田尚記,辻 伸泰","低C超微細粒複合組織鋼板の機械的特性と高速圧潰特性 (Nano-DP鋼板の研究 第3報)","日本鉄鋼協会 第156回秋季講演大会","材料とプロセス",,"Vol. 21",,"pp. 1650",2008,Sept.
"興津貴隆,辻 伸泰,高田尚記","超微細粒ＤＰ鋼板の強ひずみ加工によらない作製とその機械的特性 (Nano-DP 鋼板の研究 第1 報)","日本鉄鋼協会 第155回春季講演大会","材料とプロセス（CD-ROM）","日本鉄鋼協会","Vol. 21",,"pp. 706",2008,Mar.