○Machi Takeuchi¹, Aldemar Leonardo Salazar Zambrano¹, Sho Kono¹, Seiji Hasegawa², Masakazu Kimura² (1. Thermo Fisher Scientific , 2. JX Advanced Metals)

○Topan Satria Gumilang^{1[Master’s course]}, Ilhwan Park¹, Mayumi Ito¹, Naoki Hiroyoshi¹ (1. Hokkaido University)

○Gde Pandhe Wisnu Suyantara¹, Akbarshokh Ulmaszoda^1,2, Hajime Miki¹ (1. Kyushu University, 2. Uzbekistan-Japan Innovation Center of Youth)

○Katsuya Komorita^{1[Doctoral course]}, Yu-ki Taninouchi¹, Tomoaki Nakamura¹, Hiroaki Nakano¹ (1. Kyushu University)

○TAKASHI KANEKO¹, HIROSHI OTSUKA¹, HIROTO WATANABE¹ (1. SUMITOMO METAL MINING CO.,LTD.)

○Katsuya Sato^{1[Master’s course]}, Sanghee Jeon¹, Labone Godirilwe¹, Kazutoshi Haga¹, Tatsuru Takahashi², Yoshiyuki Tanaka², Kenji Watanabe³, Kenji Hayashi³, Hiroyuki Nakado³ (1. Akita university, 2. Japan Organization for Metals and Energy Security, 3. GEOTECHNOS Co., Ltd.)

○KOICHIRO TAKATSUGI¹, HIDEYUKI HAYASHI¹ (1. Mitsubishi Materials Corporation)

○Eishi Kusaka¹, Yusuke Sakamoto¹, Daichi Tsujikawa¹ (1. Kyoto University)