Graduation Ceremony 2019 of Mao&Toyoura lab was held in the laboratory Thursday June 30th, 2022 Professor Xiaoyang Mao, Yuma Kato (B4), Sorashi Takanezawa (B4), Tatsuki Ohmori (B4), Hiromichi Ichige (M2) Keisuke Ichinose (B4), Shunsuke Sato (B4), Associate Professor Masahiro Toyoura