○Kazuya Arakawa^{1[Student presentation: Doctoral course]}, Satoshi Nakagawara², Atsushi Shibayama³ (1. DOWA METALS & MINING CO.,LTD (Guest Assistant Professor, Akita University), 2. DOWA METALS & MINING CO.,LTD (Guest Professor, Akita University), 3. Akita University (DOWA Holdings Outside Director))

○Masayuki Miyamoto¹, Ken Adachi², Etsuro Shibata², Tatsuya Kikuchi¹ (1. Hokkaido University, 2. Tohoku University)

○Aika Yano^{1[Student presentation: Master’s course]}, Hideaki Sasaki¹ (1. Ehime university)

○Kozo Shinoda¹, Kazuki Onodera², Manabu Yamada², Atsushi Shibayama² (1. Tohoku University, 2. Akita University)

○Mikiya Tsujinaka^{1[Student presentation: Master’s course]}, Gen Kaizuka¹, Kuniaki Murase¹, Kazuhiro Fukami¹, Kiho Nishioka¹ (1. Kyoto University)

○Ken Adachi¹, Etsuro Shibata¹ (1. Tohoku University)

○Yoto Kawamura^{1[Student presentation: Master’s course]}, Hidehiro Sekimoto¹, Kataoka Keiichiro¹ (1. Iwate University)

○Hiroto Watanabe¹, Satoshi Asano¹, Kuniaki Murase² (1. Sumitomo Metal Mining Co., Ltd., 2. Kyoto University)

○Hiroshi Otsuka¹, Natsuki Tsutsui¹, Hiroto Watanabe¹, Satoshi Asano¹ (1. Sumitomo Metal Mining Co., Ltd.)