The development of the violation management system in walking races. - Iori Takagi; Yuki Amari; Teruyoshi Asari; Kazuki Ashida; Koichi Karasawa; Yuki Ogawa; Ryoji Uchiyama (GCCE, 2017)

The Development of Management System which Counts the Number of the Remaining Laps for Track Competitions. - Keita Nakajima; Ryoji Uchiyama; Koichi Karasawa; Kazuki Ashida (GCCE, 2019)