A medication adherence monitoring system for people with dementia. - Vasily G. Moshnyaga; Masaki Koyanagi; Fumiyuki Hirayama; Akihisa Takahama; Koji Hashimoto (SMC, 2016)

Upper bound on 3-rainbow domination in graphs with minimum degree 2. - Michitaka Furuya; Masaki Koyanagi; Maho Yokota (Discret. Optim., 2018)